این یک متن نمونه است 

ممنون که این متن خواندید

این یک متن نمونه است 

ممنون که این متن خواندید

طراحی جک‌ها و سیستم‌های هیدرولیکی

  • طراحی و ساخت جکهاي هیدرولیکی به صورت سفارشی و با کیفیت بسیار بالا
  • داراي بیش از 10 سال تجربه در طراحی و ساخت جکهاي هیدرولیکی
  • استفاده از سیلهاي Trelleborg آمریکایی در طراحی جکها با طراحی و تلرانسهاي تایید شده توسط این شرکت
  • استفاده از شافت سخت کاري شده جهت افزایش عمر جک
  • استفاده از آب بند هاي سه مرحله اي در گلویی و گاید دو مرحله اي در پیستون و گلویی
  • طراحی قطعه فاصله انداز جهت افزایش مقاومت کمانش

مهندسی معکوس قطعات و ماشین‌آلات

  • مهندسی معکوس سازه­های سنگین با درایو هیدرولیکی
  • تدوین نقشه های ساخت و مونتاژ
  • تدوین فرآیند تولید برای هریک از قطعات
  • تدوین فرآیند مونتاژ

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 1

طراحی جک‌ها و سیستم‌های هیدرولیکی

  • طراحی و ساخت جکهاي هیدرولیکی به صورت سفارشی و با کیفیت بسیار بالا
  • داراي بیش از 10 سال تجربه در طراحی و ساخت جکهاي هیدرولیکی
  • استفاده از سیلهاي Trelleborg آمریکایی در طراحی جکها با طراحی و تلرانسهاي تایید شده توسط این شرکت
  • استفاده از شافت سخت کاري شده جهت افزایش عمر جک
  • استفاده از آب بند هاي سه مرحله اي در گلویی و گاید دو مرحله اي در پیستون و گلویی
  • طراحی قطعه فاصله انداز جهت افزایش مقاومت کمانش
زبانه 2

مهندسی معکوس قطعات و ماشین‌آلات

  • مهندسی معکوس سازه­های سنگین با درایو هیدرولیکی
  • تدوین نقشه های ساخت و مونتاژ
  • تدوین فرآیند تولید برای هریک از قطعات
  • تدوین فرآیند مونتاژ
زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 1

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,
زبانه 2

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

زبانه 1

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,
زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 2

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

این یک متن نمونه است 

ممنون که این متن خواندید

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 1

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,
زبانه 2

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 1

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,
زبانه 2

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

زبانه 1

Testing
and Validation.

Specific tests and a complete analysis of the performance data, to achieve the best result

Vehicles’ performance, reliability, technical characteristics and structural solidity are verified by a team of designers used to define objectives and results together with the customer, and thus to plan specific tests and analyze the performance data necessary to achieve the best result.

The prototyping phase and the complementary testing phase exploit synergies between Engineers, Designers, Customers and Partners, in order to achieve the maximum yield in terms of design and functionality.

 

In MAIN, we perform the following tests:

  •  hydraulic tests and components configuration,
  •  powertrain test and performances verification,
  •  vibrational tests,
  •  sound insulation and noise reduction tests,
  •  electrics and electronics systems tests,
  •  vehicle sizing tests,
  •  performance tests,
زبانه 2

Functional
Prototyping.

Working prototypes of industrial vehicles, complete in every detail.

Once the design phase is completed, we move on to the creation of working prototypes with all components installed according to specifications. At the end of the assembly, the prototype setup is performed waiting for the testing phase.

Through mock-ups and complete prototypes, we guarantee our Customers the physical verification of componentsengineering and stylistic choices, in order to refine the product to its maximum potential and activate a pre-industrialization phase prior to mere production.

زبانه 3

Analysis
and Calculations.

The complete integration of tools for parametric solid modeling and FEM analysis to define optimized geometries, before the realization of the prototypes.

The application, in each design phase, of mathematical calculation methods and simulation of physical phenomena (FEA ANALYSIS – Finite Element Analysis) allows the optimization of the structures from the point of view of strength and weight, also obtaining the reduction of costs and of production times.

 

CFD / FEM analysis and calculation offers the complete integration of tools for parametric solid modeling and numerical analysis for finite elements (FEM).

 

In this way, before the realization of the physical prototypes, to:

  •  define the geometries by optimizing them in shape and weight,
  •  manage any changes quickly and fluently,
  •  reduce production costs,
  •  improve performance.

Furthermore, thanks to the use of computational fluid dynamics (CFD) software, we are able to predict and anticipate the fluid dynamic behavior of structures, machines and components under development, collecting data and information on their performance, such as the distribution of pressures and the speed trend.

یک یک متن قابل ویرایش هست

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