positional tolerance zone是什么意思 positional tolerance zone怎么读
positional tolerance zone的相关资料
positional tolerance zone的用法和样例
- If the angle of the slot needs to be controlled better than the angularity provided by the position tolerance, an angularity tolerance may be added as a refinement.
若为了更好地控制槽的角度，可在给出位置度公差的基础上，还可给出倾斜度公差要求。
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