你可能感興趣的試題

單項(xiàng)選擇題

Which tackle arrangement has the LEAST mechanical advantage（）.

A.Single whip
B.Gun tackle
C.Luff tackle
D.Twofold purchase

單項(xiàng)選擇題

Which mooring line prevents sideways motion of a vessel moored to a pier（）.

A.A line led forward from the bow
B.A line led aft from the bow
C.A line led in the same direction as the keel
D.A line led at a right angle to the keel