traction dynamometer

例句：

1. 1. The car's engine has a high traction system to ensure smooth driving.
   汽车的引擎有高牵引系统，以确保驾驶平稳。
2. 2. The train's brakes are designed to provide maximum traction during deceleration.
   火车的刹车设计在减速时提供最大的牵引力。
3. 3. The heavy load requires more traction to move it across the rough terrain.
   沉重的负载需要更多的牵引力才能在崎岖的地形上移动。