traction diverticulum of esophagus

例句：

1. 1. The car's suspension system needs to be checked for proper traction.
   汽车悬挂系统需要检查以获得适当的牵引力。
2. 2. The weight of the heavy object required a strong traction to lift it.
   这个重物需要强大的牵引力才能抬起。
3. 3. The train's wheels are designed to provide maximum traction on all types of surfaces.
   火车的轮子被设计来在所有类型的表面上提供最大的牵引力。