A.Distilled
B.Distilling
C.Boiling
D.Boiled
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A.Between；more commonly
B.Among；the most commonly
C.Between；not more commonly
D.Among；not the most commonly
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
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
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If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In a simple mechanical governor, the （）.
White smoke exhausting from an operating diesel engine may indicate （）.