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在普通车床上加工光轴出现马鞍形,其原因是( )。

单选题
2021-09-01 23:53
A、主轴径向跳动
B、导轨与主轴在水平面内不平行
C、主轴轴向窜动
D、导轨与主轴的垂直面内不平行
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正确答案
D

试题解析

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