除了用机械装置、液压装置或电力装置来控制外，这种变速器还使用液力耦合器或变扭器。

Such transmissions make use of a fluid coupling or a torque converter, as well as mechanical, hydraulic, or electrical controls.

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所有的自行车用了7个月的时间，除了发动机和变速器外，大部分的原始金属都没有。

All-in the bike took 7 months to build and with the exception of the engine and transmission, not much of the original metal remains.

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本文在分析各种无级变速器和无级变速自行车的基础上，把钢球外锥式无级变速器进行部分改装，从而形成了自行车的无级变速装置。

Based on the analysis of various CVT and CVT bikes, in this dissertation, we change some parts of the Kopp-B CVT forming a new kind of CVT used to the bicycle.

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