carborundum grain

• 金刚砂

carborundum grain的用法和样例：

例句

1. At the same time, the company has improved the technological formula for the anti_abrasive carborundum agent,then making the quality of anti_abrasive agent reach a quite new level.
   同时，公司对金刚砂耐磨骨料的工艺配方进行了改良，使耐磨骨料的品质上了一个新台阶。