At the same time, multiple gear is one of the important directions, it has more wide-ranging and more elaborate transmission ratio scope, improving Power performance, fuel economy and rideperformance.

同时，向多挡位化发展是自动变速器的重要发展趋势之一，挡位多使变速器具有更大的速比范围和更细密的挡位之间的速比分配，进而改善汽车的动力性、燃油经济性及换挡平顺性。

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