diamond grains的用法和樣例：
例句
- A new special diamond drill which combines ultrasonic vibrating with grinding of diamond grits is introduced.
介紹一種新研製的能把超聲振動和金剛石磨粒磨削結合在一起的特種金剛石鑽頭。 - Evaluating and measuring the interfacial bonding strength between filling alloy and diamond grits is a key issue in the study and application of brazed diamond tools.
釺料與金剛石磨粒結合強度的測定與評價是釺焊金剛石工具研究與應用中的關鍵性問題。
