A.thrust block
B.sounding rod
C.connecting rod
D.push rod
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A.a cooling system
B.a lubrication oil system
C.an electric system
D.an injection system
A.much
B.more
C.most
D.less
A.lower than；can lubricate
B.lower than；can cool
C.higher than；can enter
D.higher than ；cannot enter
A.the cylinder cover
B.the piston rings
C.the piston crown
D.the piston skirt
A.whatever
B.whenever
C.wherever
D.whoever
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
What is the function of the thrust bearing?（）
Diesel engine control can be obtained by the bridge （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
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 （）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.