The air-conditioner is running in the winter and to be stopped, we should（） -题库考试答案搜索网

The air-conditioner is running in the winter and to be stopped, we should（）

单选题

2022-01-03 10:59

A、close Fan and Humidifier at the same time
B、firstly close Fan and then close humidifier immediately
C、firstly close humidifier and then close Fan immediately
D、firstly close humidifier and then close Fan after 30 second

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正确答案

D

试题解析

标签：船舶电气与船舶安全

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