laboratory rotor mill

例句：

1. 1. The laboratory rotor mill is used to grind small amountsof material for testing.
   实验室转子磨机用于研磨少量材料进行测试。
2. 2. The lab-rotor mill is an essential tool inthe chemical industry.
   实验室转子磨机是化学工业中不可或缺的工具。
3. 3. The lab-rotor mill wasdesigned to improve efficiency and reducewaste in the manufacturing process.
   实验室转子磨机被设计用来提高生产效率和减少生产过程中的浪费。