A.result from
B.result in
C.give out
D.given from
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A.make
B.cause
C.result
D.produce
A.boiler
B.heater
C.engine
D.cooler
A.to retain
B.to remain
C.to maintenance
D.to have
A.good lubrication
B.low thermal stress
C.good mechanical properties
D.acid corrosion
A.for starting diesel engines
B.in pneumatic control system
C.in pneumatic tools
D.All the above are true
最新試題
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
An automated diesel engine should normally shut down due to （）
Maximum horsepower of a diesel engine is attained （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A diesel engine piston ring face is in direct contact with the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
The function of diesel engine piston compression rings is to （）.