A: Please tell me the specifications and quantity.
B: （）
A.Pump diesel oil first
B.300 tons of 180 cst fuel oil
C.The figure is all right
D.OK, I’ll sign it
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A.of
B.up of
C.from
D.out
A.piston skirt
B.piston crown
C.guide way
D.cross-head
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B.to limit
C.to protect
D.to remove
A.a reduction
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最新試題
White smoke exhausting from an operating diesel engine may indicate （）.
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A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
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Maximum horsepower of a diesel engine is attained （）.
The main purpose of the piston oil scraper rings is to （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
An automated diesel engine should normally shut down due to （）