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

<ruby id="jlkoz"><output id="jlkoz"></output></ruby>

單項選擇題

Manually operated band brakes may be fitted and （） will have a brake arranged to fail-safe.

A.the drive pump
B.the drive motor
C.the warp end
D.the purchase

你可能感興趣的試題

單項選擇題

The （） is used for hauling in or letting out the wires or ropes.

A.windlass
B.anchor capstan
C.turning gear
D.winch barrel

單項選擇題

（） may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).

A.A capstan
B.A hold
C.A warp end
D.A mooring drum

<dl id="uk5fr"></dl>