单项选择题
A. derrick, winches, cargo ropes and wires B. derricks, windlass, capstan C. hatch covers, derricks, windlass D. cranes, hatches, lashing wires
The derrick can’t be().A.exceededB.overloadedC.overtake...
单项选择题The derrick can’t be().
A.exceeded B.overloaded C.overtaken D.overtook
Could you show me ()to operate the derrick?A.whichB.wha...
单项选择题Could you show me ()to operate the derrick?
A.which B.what C.how D.when
Be careful when you ()the derrick.A.operatedB.operateC....
单项选择题Be careful when you ()the derrick.
A.operated B.operate C.operating D.operator