self aeration mechanical agitation flotation machine

例句：

1. 1.The air in the room is not sufficientfor self aeration.
   房间里的空气不足以进行自给空气。
2. 2. The plant needs to beplaced in a container with good self aeration.
   植物需要放在一个有良好自给空气的容器里。
3. 3. Selfaeration can help plantsgrow better and faster.
   自给空气可以帮助植物生长得更好更快。
4. 1. Mechanical agitation is essential for mixing the ingredientsthoroughly.
   机械搅拌对于充分混合原料是必要的。
5. 2. The chemical reactor uses mechanical agitation to mix the chemicals.
   化学反应器使用机械搅拌来混合化学物质。
6. 3. The processof mechanical agitation helps to breakdown the solids in the mixture.
   机械搅拌过程有助于打破混合物中的固体。
7. 1. Flotation machines are used inthe gold mining industry to separate gold fromother metals.
   浮选机在金矿开采行业中用于将黄金与其他金属分离。
8. 2. The flotation machine was designedto improve the efficiency of the gold recoveryprocess.
   浮选机被设计用来提高黄金回收过程的效率。
9. 3. The flotationmachine has become an essential tool in thegold mining industry.
   浮选机已成为金矿开采行业的一个重要工具。