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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 > 船舶辅助机械

单项选择题

Clean oil is achieved in a clarifier bowl where the impurities and water collect at the bowl （）.

A.bottom
B.top
C.center
D.periphery

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The fresh water generator produces fresh water （）.

A.by cooling sea water
B.by heating sea water
C.by evaporation of sea water
D.by purifying sea water
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A.temperature
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A.engine
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