A.Hydraulic pumps
B.Valve
C.Hydraulic cylinders
D.Hydraulic motors
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A.The hydraulic pumps
B.Valves
C.Hydraulic cylinders
D.Hydraulic motors
A.cast
B.put
C.hold
D.let out
A.Cargo winches
B.Mooring winches
C.Windlasses
D.Cargo hatches
A.lift
B.put
C.take
D.hold
A.Cargo winches
B.Mooring winches
C.Windlasses
D.Cargo hatches
最新試題
Which of the following statements is correct concerning heat transfer?（）
A salinity indicator is used to determine the （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
When the steering gear is in operation, you should （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
A pressure drop through the refrigerant liquid line may cause （）.
Low compressor head pressure in a refrigeration system can be caused by（）.