A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the SW 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 SW outboard valves
B.the tailshaft LO stop valve
C.the drain valve of the boiler
D.propeller shaft sealing device

A.sea valve chest, sect valve, thruster
B.bilge motherboard, steering and the shaft system
C.sea water system
D.fresh water system

A.Ⅰ
B.Ⅱ
C.Ⅰ+Ⅱ
D.Ⅲ

A.quality
B.reliability
C.price fluctuating
D.applicability

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

A.fuel valve
B.the starting air valve
C.the sea chest
D.the main sea pump inlet valve