...n-ferrous precise casting technology of gypsum model 石膏模非铁金属精密铸造技术 non-ferrous raw material 有色金属原材料 non-ferrous rolling mill 有色金属轧机 ..
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non-ferrous raw material 有色金属原材料
Adopting Monsanto technology, the Daye Non-ferrous Metal Corp. has improved its traditional sulfuric acid facility from converter fume raw material.
大冶有色金属公司引进美国孟山都公司的先进技术，对传统转炉烟气制酸装置进行全新改造。
Ferrous sulphate is a wide used product of chemical industry, which was produced with waste iron as raw material in the past so that its cost was higher.
硫酸亚铁是一种用途广泛的化工产品，过去系采用废铁作原料进行生产，但成本较高。
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