工业上去除杂质元素的方法主要有氯化精炼法和氧化精炼法。
The methods of removal such impurities as al and Ca include chlorination and oxidation refining process industrially.
介绍了在6.3MVA矿热炉生产硅铁中采用氯化精炼的实践操作方法。
Operation process of chlorination-refining of ferrosilicon outside the 6.3MVA furnace are introduced.
洛斯dd 117是经氯化了的黏稠溶剂精炼矿物油，并含有中性脂肪和特殊油性添加剂。
Locks dd 117is a chlorinated viscous fluid containing neutral fats, special oily additive and solvent refined mineral oil.
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