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單項(xiàng)選擇題

The Plimsoll mark on a vessel is used to（）.

A.align the vessel's tailshaft
B.determine the vessel's trim
C.determine the vessel's freeboard
D.locate the vessel's centerline

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單項(xiàng)選擇題

The difference between the starboard and port drafts due to wind or seas is called（）.

A.list
B.heel
C.trim
D.flotation

單項(xiàng)選擇題

The difference between the starboard and port drafts caused by shifting a weight transversely is（）.

A.list
B.heel
C.trim
D.flotation

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