pneumatic pumping

例句：

1. 1. The pneumatic tire is designed for vehicles that need to travel long distances.
   这种充气轮胎是为需要长途行驶的车辆设计的。
2. 2.The pneumatic pumping system is efficient and reliable.
   这种气动泵系统既高效又可靠。
3. 3.The engineer used a pneumatic tool to dismantle the old engine.
   工程师使用了一个气动工具来拆卸旧引擎。