试题与答案

采用绞刀进行锥形孔的绞切进,应先顺时针转一圈,然后逆时针退半圈,以利切屑的退出。()

题型:判断题

题目:

采用绞刀进行锥形孔的绞切进,应先顺时针转一圈,然后逆时针退半圈,以利切屑的退出。()

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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