单项选择题
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
A “spring line” is（）.A.any wire rope used for mooringB....
单项选择题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
A “sheepshank” is used to（）.A.keep a line from frayingB...
单项选择题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
A “reaching” course is one in which the wind（）.A.comes ...
单项选择题A “reaching” course is one in which the wind（）.
A.comes directly over the bow B.comes directly over the stern C.comes over an area extending from broad on the bow to the quarter D.has no effect on the vessel
