A.quality
B.reliability
C.price fluctuating
D.applicability
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A.the reason of replacing
B.the course of replacing
C.crews who do this work
D.where and when the replacing being done
A.Cooling water is alkalescence
B.cooling water is acidity
C.cooling water has salinity
D.cooling water has impurity
A.alkale scence
B.acidity
C.salinity
D.impurity
A.stop the LO pump, SW pump, FW pump
B.stop the priming FO transfer pump
C.engage the turning gear
D.open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover
A.keep all systems in normally running
B.the main engine is stand-by
C.shut off the starting air bottle outlet valve
D.pay attention to the changes of the system parameters
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