题目内容
Components at the rear of the engine are: flywheel, starter ring gear, piston and connecting rod.
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Its function is to keep the engine running smoothly between power strokes.
The oil leaving the oil pump passes through the oil filter before it is circulated through the engine.
By the time the piston reaches TDC, the mixture will be comprssed to about one-eighth of its original volume.
下列说法中正确的是
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