pneumatic traction

例句：

1. 1.The pneumatic traction system is responsible for the smooth operation of the vehicle.
   气动牵引系统负责车辆的平稳运行。
2. 2.The pneumatic traction system has been widely used in various industries.
   气动牵引系统在各行业得到了广泛应用。
3. 3. The pneumatic traction system is an important part of the automotive industry.
   气动牵引系统是汽车工业的重要组成部分。