A、pre-injection fuel oil treatment
B、lube oil filtration
C、lube oil purification
D、piston cooling
更多“Shaker, circulation and spray are the three general methods used in（）”相关的问题
A、water-tube supercritical circulation B、water-tube forced circulation C、fire-tube controlled circulation D、fire-tube express circulation
A、fire-tube controlled circulation B、fire-tube supercritical circulation C、water-tube natural circulation D、water-tube express circulation
A、is made to circulate out of the system B、is made to circulate within the system C、is made circulate within the system D、is made circulate out of the system
A、water-tube natural circulation boilers B、fire-tube boilers C、water-tube forced circulation boilers D、all of the above
A、insufficient lube oil circulating through the system B、excessive circulation of lube oil through the system C、insufficient refrigerant in the system D、an overworked compressor
A、moisture emulsification of the bearing grease B、insufficient circulation and overheating of the bearing C、proper grease circulation to cool the bearing D、sliding friction between balls and races
A、heat conduction into the injected fuel oil B、heat conduction into the water jacket wall C、water circulation through passages in the holder D、fuel oil circulation through passages in the holder
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