其中传动机构包括二级减速机构、飞轮储 能机构和曲轴传动机构；

The drive mechanism includes a two-grade reducing mechanism, flywheel energy-storing mechanism and crank drive mechanism;

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由于这些研究，德育- 5开发公司有着特殊的知识和专门技能有关的活塞对曲轴传动的手段齿轮和辊。

Thanks to these studies, the MCE-5 DEVELOPMENT Company has a particular knowledge and know-how related to piston-to-crankshaft power transmission by means of gears and rollers.

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作为摩托车初级传动的曲轴齿轮及初级从动齿轮，由于转速高及降速比大，是产生噪声的主要因素。

The primary drive gear(crankshaft gear)and the primary driven gear are the source of noise due to their high speed and bigger reduction ratio.

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