铌钽矿 meaning in English
columbotantalite
Examples
- Comprehensive utilization tests and studies on a large - size nb - ta deposit
某大型铌钽矿综合利用试验研究 - Preparation zirconium oxychloride from concentrated zr tails of nb - ta ore by lime
以氧化钙为主要原料从铌钽矿富锆尾矿中制备氧氯化锆