正确答案: A

Finished with Engine

题目：After the order “（）” is given, the air system is shut down, the turning gear put in.

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学习资料的答案和解析：

[单选题]航行中船舶推进系统发生故障，为了准确地确定修理范围、修理项目、修理方案及其工作量，修理前必须进行（）。

各种检验

[单选题]After ensuring that the （） is correct the bearing clearance should be checked.

nip

[单选题]High-speed rotating in a centrifugal purifier can produce a force （） larger than the force of gravity.

many thousand times

[单选题]If your propeller is racing in rough weather，you should（）.

decrease your engine speed