rare metal的用法和样例:
例句
- Some rare metals have radioactivity.
某些稀有金属具有放射性。 - Rare metal is indispensable for the aircraft industry.
稀有金属是航空工业发展不可或缺的原材料。 - Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
而另一种稀土金属镧,则是混合动力车电池的主要原料。 - The invention provides a device for preparing rare earth compound uniform micro powders and a process thereof.
本发明提供了一种装置,用于制备稀土金属混合物均匀微粉末以及方法。