rotary bran grader

例句：

1. 1. The rotary bran grader is used for grinding and sorting various materials.
   旋转式磨粉机用于磨碎和分类各种材料。
2. 2. The rotary bran grader has a high efficiency in processing large amounts of grains.
   旋转式磨粉机在处理大量谷物时效率很高。
3. 3. The rotary bran grader is an essential tool for the food industry.
   旋转式磨粉机是食品工业中不可或缺的工具。