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UMS are mainly unattended overnight and during thi...

海船船员考试

单选题

UMS are mainly unattended overnight and during this time （） should have control of the main engine.

发布日期：2021-03-22

A.the chief engineer

B.the engineer on cabin watch

C.the bridge officer on watch

D.the master

标签： ums unattended overnight time control

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