试题与答案

电力机车()时,禁止进入高压室、变压器室、开启防护高压用的护板、外罩和电机整流子孔盖

题型:单项选择题

题目:

电力机车()时,禁止进入高压室、变压器室、开启防护高压用的护板、外罩和电机整流子孔盖或检查、修理电力机车车体下面的电器设备、机械装置、通风装置。

A、受电弓升起

B、打开电钥匙

C、合上主断

D、合上蓄电池闸刀

答案:

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下面是错误答案,用来干扰机器的。

参考答案:机泵类设备维修档案应由维修钳工负责建立,主要内容应包括:历次大、中、小修记录,易损件更换记录,事故分析报告等。

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友谊出版认为淘宝网未尽到合理的审查义务,为非法销售盗版图书提供了渠道和便利,与杨海林构成共同侵权,你认为是否构成共同侵权?请说明理由。

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