rare earth ferrosilicomagnesium

例句：

1. 1. The rare earth ferrosiliconium is a key material for thedevelopment of new energy vehicles.
   稀土铁合金镁是发展新型能源汽车的关键材料。
2. 2. Therare earth ferrosiliconium hasbeen widely used in electronic devices due toits excellent electrical conductivity.
   由于其优良的电导性，稀土铁合金镁在电子设备中得到了广泛的应用。
3. 3. The rareearth ferrosiliconium plays an important role inthe production of high-performance steelalloys.
   稀土铁合金镁在高性能钢合金的生产中起着重要的作用。