The design of the die system of the carriage bending parts is realized: from technical calculating and spring-back rebuilding of die parts to structure design and assembling of the die system, etc;
系统实现了常见客车弯曲件的模具系统的设计：从零件的工艺计算、回弹重建到模具系统的结构设计、装配等；
The design of the die system of the carriage bending parts is realized: from technical calculating and spring-back rebuilding of die parts to structure design and assembling of the die system, etc;
系统实现了常见客车弯曲件的模具系统的设计：从零件的工艺计算、回弹重建到模具系统的结构设计、装配等；
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