pebble mill

• 碎石磨机,砾磨机,球磨机

pebble mill的用法和样例：

例句

1. Some measures of harness large ball mill's noise.
   治理大型球磨机噪声的几种措施。
2. The total fault time with this type of ball mill is less than a week every year.
   这种类型的球磨机每年的故障时间不到一星期。