This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
介绍未封闭矩形截面冲裁模的原理、结构和设计。
The hot pot die casting technology of large cross section aluminum bar are introduced.
简要介绍大截面铝母线的热顶铸造技术。
The hot pot die casting technology of large cross section aluminum bar are introduced.
简要介绍大截面铝母线的热顶铸造技术。
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