行驶阻力消耗车辆的功率并且影响车辆动力系统和传动系统的寿命。
Resistance consume the power of vehicle and affect life-span of dynamic system or transmission system.
合理的转向传动机构能减小转向阻力，再配上适当的液压动力辅助转向，达到转向轻便的目的。
Sound steering drive mechanism can also decrease steering resistance, and increasing appropriate hydraulic assist steering can realize the aim of steering portability.
利用底盘测功机模拟道路滑行试验，测定出汽车的传动系阻力、轮胎滚动阻力及它们的速度影响系数。
A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.
应用推荐