fine grit

• 细粒度

fine grit的用法和样例：

例句

1. This article mainly describes the polytetrafluoroethylene fine powder resin by suspension method, process method and actual application.
   介绍了悬浮法生产的聚四氟乙烯细粒度树脂的性质，成型加工方法及在实际中的应用。