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航海英語(yǔ)船舶設(shè)備名稱單項(xiàng)選擇題每日一練(2019.01.20)
來(lái)源:考試資料網(wǎng)
1
The purpose of a bilge well is to().
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2
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the().
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3
Permission is kindly requested()the ballast water.
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4
A sextant having an index error that is off the arc has a().
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5
In the piping systems of a vessel,what type of valve gives the least resistance to fluid flow when fully open?().
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