强油循环冷却装置检修，进行冷却装置联动试验：依次开启所有油泵_爱下问搜题

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问题单项选择题

强油循环冷却装置检修，进行冷却装置联动试验：依次开启所有油泵，延时间隔应在（）s以上，不应出现气体继电器和压力释放阀的误动。

A.10

B.20

C.30

D.40

答案

参考答案：C

选择题

That _______ fun. Let's _______ to see it. [ ]

A. sound; go

B. sounds; go

C. sounds; to go

D. sound; goes

选择题

The government has __________ a committee to examine the fishing industry.[ ]

A. set up

B. set aside

C. set down

D. set off