The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason isA.the rotate speed fluctuationB.the ventilation tube cloggedC.the main engine accelerate so fastD.stormy waves
The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason is
A.the rotate speed fluctuation
B.the ventilation tube clogged
C.the main engine accelerate so fast
D.stormy waves
相关考题：
()these points in mind, and you ()a great impression.A. Bearing ... makeB. Bear ... will makeC. To bear ... have made
Henry Ford was himself a ______ mechanic and could build a car with his own hands.A、bearB、boreC、bornD、bearing
A hydraulic motor may be driven by______.A.an electric motorB.a diesel engineC.a compressorD.oil
What type of stern tube bearing has the least friction ________．A.Oil-lubricated bearingsB.Lignum vitaeC.Hard rubberD.Bronze bushings
OIL-IN-WATER are ______．A.sediment of oil in waterB.oil dissolvents in waterC.solid oil aggregatesD.droplets of oil suspended in water
OPEC holds meetings frequently so as to regulate the output of______ oil.A.crudeB.originalC.firstD.primary
OPEC holds meetings frequently so as to regulate the outp of __ oil.A.firstB.crudeC.originalD.primary
bearing的意思是_____________.