单项选择题
On a four-stroke diesel engine, when the piston is driven downwards by the expanding gas, it delivers power to the crankshaft through the （）.
A.thrust block
B.sounding rod
C.connecting rod
D.push rod
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相关考题
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单项选择题
On a diesel engine, fuel is delivered into the combustion space by （）.
A.a cooling system
B.a lubrication oil system
C.an electric system
D.an injection system -
单项选择题
Oil will lubricate these parts （） effectively than water.
A.much
B.more
C.most
D.less -
单项选择题
Oil pressure in the lubrication system is （） the static sea water head to ensure that sea water （） the stem-tube.
A.lower than；can lubricate
B.lower than；can cool
C.higher than；can enter
D.higher than ；cannot enter
