fine lapping

• 细研磨

fine lapping的用法和样例：

例句

1. Dalian Adams Fine Minerals Ltd. has the world's advanced fossil ultra-fine grinding equipment and grade of mineral modification technology.
   大连毅达精细矿物有限公司拥有世界先进的矿物超细研磨分级设备和矿物改性技术。