此硬度计的依据是矿物的相对研磨能力.This scale is based on the relative abrasiveness of minerals.铬镀后常常是通过磨削及研磨来达到尺寸.Frequently chromium deposits are ground or lapped to size.陶瓷元件是将仔细研磨的材料经过加压和烧结制成.Ceramic elements are made by pressing and...

“研磨”的拼音为：yán mó...

“研磨”的英语可以翻译为：grind，pestle，abrade，polish，rubbing ...