A.apparent slip
B.true slip
C.pitch
D.propulsive efficiency
第1题
A.worn or broken cylinder liner sealing rings
B.high cooling water temperature
C.worn or broken piston rings
D.low fuel oil pressure
第2题
A.the exhaust temperature
B.the speed of main engine
C.the turbine rotation speed
D.the power of main engine
第3题
A.the rotate speed fluctuation
B.the ventilation tube clogged
C.the main engine accelerate so fast
D.stormy waves
第4题
A.bleeding refrigerant from the condenser
B.opening a drain petcock on the oil separator
C.condensing the water in the heat exchanger
D.using a dehydrator cartridge
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