英语语法分析

The boiling steel from smelting until the steel mold, toughness, ferrosilicon or aluminum deoxidation.

而沸腾钢从冶炼直至钢模中、韧性、硅铁或铝来脱氧。

Ratio of carbon reducing scheelite should be below 30% when mixture of carbon and ferrosilicon was used as reductant.

硅铁和碳混合还原剂还原白钨矿时，碳还原白钨矿比例控制在30%以下能取得较好的还原效果。

The process of smelting low carbon ferrochromium using ferrosilicon as reducer instead of silicochromium alloy is introduced.

本文介绍了使用硅铁代替硅铬合金作还原剂，冶炼低碳铬铁的工艺方法。