pneumatic feedleg

例句：

1. 1.The pneumatic tire is designed to provide better traction on uneven terrain.
   这种充气轮胎设计用于在不平坦的地形上提供更好的牵引力。
2. 2.The pneumatic pump is used to inflate tires quickly and efficiently.
   这种气动泵被用来快速而有效地给轮胎充气。
3. 3.The pneumatic tyres are lighter and more durable than traditional rubber ones.
   这种气动轮胎比传统的橡胶轮胎更轻，更耐用。