无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<pre id="vvkfp"><strong id="vvkfp"></strong></pre>

<em id="vvkfp"></em>

單項選擇題

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A.The winch motor
B.The band brake
C.The winch barrel
D.The anchor capstan

你可能感興趣的試題

單項選擇題

（） unit is mounted so as to raise and lower the cable from the spurling pipe, which is at the top and center of the chain or cable locker.

A.The cable lifter
B.The hoisting motor
C.The topping wire
D.The life-raft

單項選擇題

Topping wires fix the height of the derricks and （） to the deck may be used to prevent fore and aft movement.

A.stays
B.winches
C.barrels
D.brakes

<ruby id="xdvhv"><xmp id="xdvhv"></xmp></ruby>

<dd id="xdvhv"></dd>