tractive force

• 牵引力,牵力

tractive force的用法和样例：

例句

1. The real time calculation of tractive force and braking force is the core of the system.
   它的核心是能够实时计算得到机车运行过程中的牵引力和制动力。
2. If the pulling force is equal to the friction, the car will continue forward at the same speed.
   如果牵引力等于摩擦力，车子将匀速前进。