熔断器及保护开关的动作直接表明线路和设备中有故障发生。_爱下问搜题

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问题判断题

熔断器及保护开关的动作直接表明线路和设备中有故障发生。

答案

参考答案：对

选择题

— Would you like to go and see avatar with me tonight?

— Thank you very much, but I _____ it already.

[ ]

A. see

B. will see

C. have seen

D. am seeing

判断题

冷却器属于分离压力容器。