Formanite
钽钇铌矿
🗣️ 情景例句
He is now involved in stocks.
他现在热衷于股票。
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
What are you talking about?
你在说什么？