rotary miller

例句：

1. 1. The rotary miller is responsible for grinding the raw materials into a fine powder.
   旋转磨机负责将原材料研磨成细粉。
2. 2. The rotary miller operator needs to ensure that the machine operates smoothly and efficiently.
   旋转磨机操作员需要确保机器运行顺畅高效。
3. 3. The rotary miller maintenance technician is responsible for performing routine inspections and repairs on the equipment.
   旋转磨机维修技术员负责对设备进行例行检查和维护。