单项选择题
The cylinder covers and the liners are bolted together by means of （）.
A.bolts welded into the cylinder head
B.bolts welded into the cylinder frames
C.studs screwed into the cylinder head
D.studs screwed into the cylinder frames
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相关考题
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单项选择题
The cylinder cover is not provided with （）.
A.fuel valve
B.lubricator
C.indicator valve
D.the starting valve -
单项选择题
The cylinder contains a great weight of air and is capable of burning a great quantity of fuel at（）.
A.the beginning of the compression stroke
B.the beginning of the suction stroke
C.the end of the working stroke
D.the end of the exhaust stroke -
单项选择题
The cylinder and piston must be warmed up （） to a temperature of about 140 degF in standing by engine.
A.repeatedly
B.quickly
C.gradually
D.immediately
