pneumatic aeration

例句：

1. 1. The pneumatic tire has a higher rolling resistance than the traditional rubber tire.
   这种充气轮胎的滚动阻力比传统橡胶轮胎高。
2. 2.The pneumatic pump is designed to provide a constant flow of air.
   这种充气泵设计用来提供持续的空气流动。
3. 3.The pneumatic tool is easy to use and can be used in various environments.
   这种充气工具使用方便，可以在各种环境中使用。