| 释义 |
corundum pegmatite
- contemporaneityn. 同时代,同一时期,现代的
- 伟晶岩wěi jīng yán
pegmatite
- 结晶花岗岩jié jīng huā gǎng yán
pegmatite
- 刚玉砂轮gāng yù shā lún
corundum wheel; corundum grinding wheel
- 刚玉gāng yù
corundum; adamantine spar
- 金刚砂jīn gāng shā
emery; corundum; carborundum; silicon carbide; electrolon
|