Through the analysis of the drawing technology for the engine oil disc, the process for drawing this complex stepped boxed-shaped part was determined.
通过对发动机机油盘拉伸工艺的分析，确定了此复杂阶梯盒形件的拉伸工艺。
Through the analysis of the drawing technology for the engine oil disc, the process for drawing this complex stepped boxed-shaped part was determined.
通过对发动机机油盘拉伸工艺的分析，确定了此复杂阶梯盒形件的拉伸工艺。
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