轮机英语【二三管】题库

单选题 1分

In the oil purifier, the interface move outside the top disc, the oil will escape through ...

In the oil purifier, the interface move outside the top disc, the oil will escape through .
  • A.the sludge passage
  • B.the sludge outlet
  • C.the observe glass passage
  • D.the water outlet
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1 单选题 1分
Efficient bilge water treatment will contribute to the following except _____
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3 单选题 1分
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4 单选题 1分
When exercising port state control, all possible efforts should be made to _____
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5 单选题 1分
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轮机英语【二三管】-题库

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