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During the watch keeping at sea, at appropriate in...

海船船员考试

单选题

During the watch keeping at sea, at appropriate intervals inspection should be made of （）, auxiliary machinery and steering gear spaces by the duty engineer.

发布日期：2021-03-22

A.the main propulsion plant

B.lifesaving jackets

C.lifeboat engine

D.state of emergency generator

标签： watch keeping sea intervals inspection

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