A.prevent an unsafe ship proceeding to sea
B.prevent a ship threatening the marine environment
C.fine the ships
D.confirm a safe sailing
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A.means of rheostat the governor settings
B.a balance coil excitation
C.adjusting the governor settings
D.changing excitation
A.centrifuging
B.pressurizing
C.atomization
D.igniting
A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the S.W valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock
A.the highest
B.above 3/4
C.1/2 -3/4
D.the lowest
A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
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