單項選擇題

A backlash below a lock is defined as a（）.

A.current setting your vessel on the wall
B.current setting into the lock chamber
C.an eddy working along the lower guide wall
D.current setting counterclockwise

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單項選擇題

A “spring line” is（）.

A.any wire rope used for mooring
B.a fire-warp
C.a mooring line running diagonally to the keel
D.a mooring line perpendicular to the keel

單項選擇題

A “sheepshank” is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line

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A backlash below a lock is defined as a（）.

你可能感興趣的試題

A “spring line” is（）.

A “sheepshank” is used to（）.

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