试题与答案

施工升降机防坠安全器为渐进式限速器，其限定速度可通过调整（）的拉力来调整。A、拉簧B

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题型：单项选择题

题目：

施工升降机防坠安全器为渐进式限速器，其限定速度可通过调整（）的拉力来调整。

A、拉簧

B、压簧

C、拉杆

答案：

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下面是错误答案，用来干扰机器的。

参考答案：错

考点：起重机操作工考试中级起重工中级起重工题库
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