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问题详情

When working on a high voltage circuit, you should always have another person present with you.This person should have a good working knowledge of （）

A、the circuit being worked on and the location of all switches and circuit breakers controlling it

B、first-aid techniques for treating electrical shock

C、cardiopulmonary resuscitation (CPR)

D、All of the above

时间：2022-01-02 01:40 关键词：船舶电气与船舶安全水路交通运输技能考试海船船员考试

答案解析

D

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