corundum

corundum

英 [kə'rʌndəm]
　　美 [kə'rʌndəm]

n. 金剛砂，剛玉

中文詞源：

corundum 剛石，金剛砂

來自南印度語。

例句：

1. Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.
用於高爐 、 熱風爐砌築剛玉磚、莫來石磚 、 矽線石磚 、 低蠕變高鋁磚.

2. It is considered that the deposit is an anatectic migmatite corundum deposit.
研究認為,本礦床應屬深熔型混合巖化作用成因,即“混合巖型”剛玉礦床.

3. Synthetic Corundum is one of our strong products.
合成剛玉是我們的一個強大的產品.

4. Hardness than corundum, abrasive easily broken, sharp edges and corners, good cutting, grinding heat and small.
硬度高於棕剛玉, 磨粒易破碎, 棱角鋒利, 切削性能好, 磨削熱量小等.

5. Production technology of rebonded corundum brick made from sintered alumina and tabular alumina has been introduced.
介紹瞭以燒結剛玉和板狀剛玉為原料試制再結合剛玉磚的生產工藝.