A.absolute value
B.relative value
C.constant value
D.set value
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A.TAN
B.TBN
C.SAN
D.SBN
A.due to
B.owing to
C.results from
D.results in
A.specific gravity or relative density
B.open flash point and closed flash point values
C.higher calorific and lower calorific values
D.cloud point and pour point values
A.Setting point
B.Dew point
C.Flash point
D.Lean point
A.purifies
B.combinations
C.concentrations
D.filters
最新試題
Using a file without a handle may result in （）
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Which of the following items don’t belong to dock repair works?（）
Cold weather starting of a diesel engine may be made easier by（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The cetane rating of diesel fuel is an indication of the （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.