试题与答案

用（）校正丝杠螺母副同轴度时，为消除检验棒在各支承孔中的安装误差，可将检验棒转过后再

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题型：单项选择题

题目：

用（）校正丝杠螺母副同轴度时，为消除检验棒在各支承孔中的安装误差，可将检验棒转过后再测量一次，取其平均值。

A.百分表180度

B.卷尺

C.卡规

D.检验棒

答案：

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