triplet mill

例句：

1. 1. The triplet mill is used to grind grains into flour.
   三联磨机用于将谷物研磨成面粉。
2. 2.The triplet mill has a high efficiency and low noise level.
   三联磨机效率高且噪音低。
3. 3. The triplet mill is an important equipment in the food processing industry.
   三联磨机是食品加工行业的重要设备。