金剛砂 meaning - Chinese-English Dictionary

汉英词典

MEANING OF 金剛砂

金剛砂 (金刚砂)

Definition carborundum / emery

Usage

中文释义〈名〉❶指碳化硅，纯的为无色晶体，硬度很大，质脆。工业上用作研磨材料。❷用作磨料的金刚石、刚玉、碳化硅等的统称。

Characters 金 jīn 刚 (剛) gāng 砂 shā

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