As well as keeping the engine rotating between power strokes it also carries the clutch, which transmits the drive to the gearbox, and has the starter ring gear around its circumference.
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美
- 除了保持发动机在作功冲程时旋转,它还通过离合器将动力传给变速箱并且在飞轮的圆周上还有起动齿轮。