<center id="mmtsb"><strong id="mmtsb"></strong></center>

單項(xiàng)選擇題

Deck cranes require（） time to prepare for working cargo than derricks.

A.less
B.more
C.many
D.much

你可能感興趣的試題

單項(xiàng)選擇題

The duty of a deck winch is to lift and lower a load by means of a fixed rope on （）.

A.a warp end
B.a mooring winch
C.a worm gear
D.a barrel

單項(xiàng)選擇題

Most anchor handling equipment incorporates （） for mooring purposes.

A.cable lifters
B.spur wheels
C.bollard
D.warpends