ball-and-race type pulverizer mill

例句：

1. 1.The ball-and-race type pulverizer mill is an essential tool for grinding various materials.
   球和赛跑型磨粉机是研磨各种材料的关键工具。
2. 2. The ball-and-race type pulverizer mill has been widely used in industries such as mining and metallurgy.
   球和赛跑型磨粉机在矿业和冶金业中得到了广泛应用。
3. 3.The ball-and-race type pulverizer mill is designed to produce fine powders with high energy efficiency.
   球和赛跑型磨粉机设计用于产生高能量效率的细粉。