pneumatic stirrer

例句：

1. 1.The pneumatic stirrer is used to mix the ingredients in a chemical reaction.
   气动搅拌器用于在化学反应中混合原料。
2. 2.The pneumatic stirrer was designed to improve mixing efficiency in industrial processes.
   气动搅拌器被设计用来提高工业过程中的混合效率。
3. 3.The pneumatic stirrer is an essential tool for maintaining a clean and efficient work environment.
   气动搅拌器是保持清洁和高效工作环境的关键工具。