| 释义 |
corundum gabbro
- carborundumn. 碳化矽；金刚矽
- carborundumn. 碳化矽；金刚矽
- groundbreakingadj. 开创性的，突破性的
- contemporaneousadj. 同时期的,同时代的
- 刚玉砂轮gāng yù shā lún
corundum wheel; corundum grinding wheel
- 辉长岩huī zhǎng yán
gabbro
- 刚玉gāng yù
corundum; adamantine spar
- 金刚砂jīn gāng shā
emery; corundum; carborundum; silicon carbide; electrolon
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