A.The bedplate
B.The column
C.The main bearing
D.The double bottom
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A.Because
B.Owing to
C.For
D.No matter
A.The driven gear
B.The drive
C.The grease
D.The lubricating oil
A.Distilled
B.Distilling
C.Boiling
D.Boiled
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
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
White smoke exhausting from an operating diesel engine may indicate （）.
Lube oil cannot be efficiently filtered if its （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The main purpose of the piston oil scraper rings is to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
An automated diesel engine should normally shut down due to （）