题目内容

减小工艺系统受力变形的途径有()。

A. 提高工艺系统中零件间的配合表面质量,以提高接触刚度。
B. 设置辅助支承提高部件刚度。
C. 缩短切削力作用点和支承点的距离,以提高工件的刚度。
D. 采用合适的装夹方式

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