单项选择题
A.winches B.gears C.windlass D.cranes
This （）was repaired in Singapore.A. damaged derrickB. d...
单项选择题This （）was repaired in Singapore.
A. damaged derrick B. damaging derrick C. derrick to be damaged D. derrick
Push the “Oil Jack” position （）until the cover comes to...
单项选择题Push the “Oil Jack” position （）until the cover comes to its final closed position.
A.lifted B.lowered C.opened D.closed
The unlashing work must be finished before （）.A.dischar...
单项选择题The unlashing work must be finished before （）.
A.discharged B.being discharged C.discharging D.discharges
