milling grinding

• 磨矿

milling grinding的用法和样例：

例句

1. Besides, selective grinding was found to be suited for enrichment of macerals.
   此外，选择性磨矿方法也可以进行煤岩组分的分离与富集。
2. The key of improving quality of concentrate is to reasonably control the first and secondary grinding fineness.
   合理控制第一段和第二段磨矿细度是提高精矿质量的先决条件。