ferrochrome silicon

例句：

1. 1. This ferrochrome silicon is used in the manufacturing of high-quality steel.
   这种铁铬硅用于制造高质量的钢材。
2. 2.The new ferrochrome silicon has a higher hardness and better wear resistance.
   新型铁铬硅具有更高的硬度和更好的耐磨性。
3. 3.Ferrochrome silicon is often used as an additive in the production of electrical contacts.
   铁铬硅常作为电接触的添加剂使用。