A.due to
B.owing to
C.results from
D.results in
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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
A.account as
B.account for
C.account to
D.account of
A.steps
B.procedures
C.precautions
D.programs
最新試題
Cold weather starting of a diesel engine may be made easier by（）
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To proceed to the assistance of a ship in distress is（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）