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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

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

    A.the chief engineer
    B.the engineer on cabin watch
    C.the bridge officer on watch
    D.the master

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