A.distillate
B.seawater
C.brine
D.air
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A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ
A.tachometer
B.pyrometer
C.dynamometer
D.calorimeter
A.Speed limiting governor
B.Over-speed governor
C.Over-speed trip
D.Over-speed relay
A.Sensitivity
B.Power
C.Speed droop
D.Compensation
A.double bottom fuel oil tank temperature
B.heater supply steam flow
C.pressure of the fuel supplied to the burners
D.attemperator steam flow in the heater discharge circuit
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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