A.Between；more commonly
B.Among；the most commonly
C.Between；not more commonly
D.Among；not the most commonly
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A.Except for
B.Beside
C.Except
D.In addition to
A.An air pump
B.A compressor
C.A fuel pump
D.A priming
A.The detergency；the alkalinity
B.The alkalinity；the detergency
C.The inhabitant；the water
D.The additives；the distilled water
A.An air receiver
B.An operating valve
C.An automatic valve
D.An air distributor
A.A variable pitch propeller
B.A variable pitch nut
C.A fixed pitch parallel
D.A fixed pitch screw
最新試題
Lube oil cannot be efficiently filtered if its （）.
The function of diesel engine piston compression rings is to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Routine monitoring of a diesel engine should include （）.