traction condition characteristic test

例句：

1. 1.The car's engine needs to be adjusted for better traction.
   汽车的引擎需要调整以获得更好的牵引力。
2. 2. The rope was too weak to provide any traction.
   绳子太弱，无法提供任何牵引力。
3. 3.The team used a new technique to improve the car's traction on the slippery road.
   团队使用了一种新的技术来提高汽车在滑溜的道路上的牵引力。