1、改变传动比,扩大驱动轮转矩和转速的变化范围,以适应经常变化的行驶条件,同时使发动机在功率较高而油耗较低)的工况下工作;
2、在发动机旋转方向不变情况下,使汽车能倒退行驶;
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P164381唐纳森变矩器滤芯 生产厂家