单项选择题
（） are used for hauling in or letting out the wires which fasten the ship to the shore.
A.Cargo winches
B.Mooring winches
C.Windlasses
D.Cargo hatches
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相关考题
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单项选择题
The drive motor will have a brake arranged to fail-safe, ieit will （） the load if power fails or machine is stopped.
A.lift
B.put
C.take
D.hold -
单项选择题
（） are used to handle anchors and chains.
A.Cargo winches
B.Mooring winches
C.Windlasses
D.Cargo hatches -
单项选择题
Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?（）
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
