wheel mill

例句：

1. 1. The wheel mill is used to grind grains into flour.
   轮磨机用于将谷物磨成面粉。
2. 2.The rolling mill is a large machine used for rolling metal sheets.
   滚压机是一种大型机器，用于轧制金属板材。
3. 3.The grinding mill is essential in the food industry for producing finely ground powders.
   研磨机在食品工业中用于生产细粉，是不可或缺的。