smooth grinding的用法和樣例：
例句
- A study of mechanochemical changes of kaolin duringdry fine grinding is made in this paper.
本文研究了高嶺土干細磨過程中發生的機械力化學變化。 - The function of ultra fine grinding and alkali leaching is investigated,and the mechano chemistry mechanism of accelerating pyrite decomposition is discussed.
考察了超細磨鹼浸的作用，討論了促進黃鐵礦分解的機械化學機理。
