图1为解放CA1091六档变速器的传动示意图，试标出五档和倒档的动力传递路&ensp;线，并分别算出五档和倒档的传动比。<br /> <img src="https://nimg.ppkao.com/2019-04/yuanhuijuan/2019041417050873726.jpg?sign=5dfcb651324b69674017f18f65624b89&t=62d57cad" /><br /> <img src="https://nimg.ppkao.com/2019-04/yuanhuijuan/2019041417052314433.jpg?sign=8a6e948c5332bce89b6c1f87a3b8ae3e&t=62d57cad" /><br />