测量电缆的绝缘电阻时,将兆欧表的“G”柱接到电缆屏蔽层上是为了()。A.防止触电 B 发布时间:2017-10-04 22:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 测量电缆的绝缘电阻时,将兆欧表的“G”柱接到电缆屏蔽层上是为了()。A.防止触电B.指针稳定性好C.稳定电压D.消除测量误差
题型:单项选择题 I hear Tim once was _____ of losing his life, but now he is _____. [ ]A. in danger, out of danger B. in a danger, out of the danger C. in the danger, out of danger D. in the danger, out of the danger 查看答案