试题与答案

当螺杆固定不动，螺母在螺杆上既可作（）又可在轴向产生（）。

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题型：填空题

题目：

当螺杆固定不动，螺母在螺杆上既可作（）又可在轴向产生（）。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B

考点：机修钳工考试初级机修钳工初级机修钳工题库
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