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.
利用底盘测功机反拖测试汽车的传动系阻力，建立传动系阻力的数学模型。
By use of the reverse? Drive test on a chassis dynamometer, the transmission resistance is measured, and the model of the transmission resistance is established.
分析汽车传动系阻力的构成、规律及特点。
The composition, the roles and the characteristic of the transmission resistance are analyzed in this article.
本文探讨了挤压轮所受的坯料变形阻力矩及摩擦阻力矩的计算方法，从而推导出连续挤压包覆机传动功率的计算公式。
According to the working principal of the vacuum fixed type vacuum belt filter, we draw out calculating formula of the drive power and the tension of the urbber belt.
本文探讨了挤压轮所受的坯料变形阻力矩及摩擦阻力矩的计算方法，从而推导出连续挤压包覆机传动功率的计算公式。
According to the working principal of the vacuum fixed type vacuum belt filter, we draw out calculating formula of the drive power and the tension of the urbber belt.
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