A.compressed air
B.hydraulic oil
C.electricity
D.All of the above
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A.Alarm
B.Monitoring
C.Auto start-up
D.None of the above
A.make-up
B.desired value
C.deviation
D.set value
A.the bridge officer on watch
B.the chief engineer
C.the duty engineer
D.the duty motorman
A.open
B.open front type
C.live front type
D.None of the above
A.alternator
B.glass thermometer
C.burdon tube
D.piezoelectric pressure transducer
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