题目内容

使用交直流钳形电流表测量电流时需将线路剪断,然后将表串联接入线路中。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

检查高压线束时需佩戴绝缘手套和护目镜,检查车底高压线束时还需佩戴安全帽。

A. 对
B. 错

使用扭矩扳手前,先将需要的实际拧紧扭矩值预置到扳手上。

A. 对
B. 错

__________children wishing they were grown up, and old people wishing they were young again.

A. What often one hears
B. How one hears often
C. How often one hears
D. What one often hears

How I wish John knew how to apply grammatical rules properly and ________ the fact that it is nearly always in the wrong.

A. had recognized
B. recognized
C. recognizing
D. has recognized