汽车变速器作用：
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；
沃尔沃系列830；VOEVOE176;VOE
CV20948
5 nbsp-8 7643 nbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp9064 nbsp; nbspnbspnbspnbspnbsp10176 nbspnbspnbspnbspnbspnbsp1236 nbspnbspnbspnbspnbspnbsp4171 nbspnbspnbspnbspnbspnbspnbspnbsp76003 nbspnbspnbspnbsp2915 等
VOEVOE176；VOECV830 沃尔沃滤芯