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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 > 船舶动力装置

单项选择题

Once a scavenge fire is detected the engine （）.

A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down

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