pneumatic concentrator

例句：

1. 1.The pneumatic concentrator is used to remove impurities from air.
   气动浓缩器用于从空气中去除杂质。
2. 2.The pneumatic concentrator was designed to improve the efficiency of the process.
   气动浓缩器被设计来提高过程的效率。
3. 3.The pneumatic concentrator is a crucial component in the production line.
   气动浓缩器是生产线中至关重要的组成部分。