Based on the principle of the formation of hypocycloid, a kind of stepless gear speeder has been designed.
根据内摆线的形成原理，设计出一种齿轮无级变速器。
V-belt automatic stepless gear system is widely used for motor scooters. Stepless speed change varies with different types of V-belt automatic stepless systems.
摩托车V带自动无级变速系统广泛用于坐式摩托车上，不同形式的V带自动无级变速系统实现自动无级变速的具体结构型式是不同的。
The liquid-viscous driving device is a new kind of stepless speed regulation gear.
液体黏性传动装置是一种新型的无级调速传动装置。
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