单项选择题

The terms ceiling and margin plate are associated with the（）.

A.crew's quarters
B.engine room
C.main deck
D.tank top

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A.loosely
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A.spotting a boom
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The minimum length of a boat painter for a lifeboat in ...

单项选择题The minimum length of a boat painter for a lifeboat in ocean service is（）.

A.60 fathoms
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C.twice the distance from the main deck to the light waterline or 50 feet whichever is greater
D.two times the distance from the boat deck to the light waterline or 50 feet whichever is greater

甲板与船体保养

The terms ceiling and margin plate are associated with the（）.