單項選擇題

（） are used for cargo handling.

A.Cranes
B.Mooring winches
C.Windlasses
D.Foreman

你可能感興趣的試題

單項選擇題

In a hydraulic system, （） are used to protect the system from over pressure.

A.stop valves
B.check valves
C.safety valves
D.reducing valves

單項選擇題

A hydraulic motor may be driven by （）.

A.an electric motor
B.a diesel engine
C.a compressor
D.oil