介绍未封闭矩形截面冲裁模的原理、结构和设计。

This paper introduces the Principle, Structure and design of undosed rectangular section punch die.

youdao

介绍未封闭矩形截面冲裁模的原理、结构和设计。

This paper introduces the Principle, Structure and design of undosed rectangular section punch die.

youdao