non-ferrous production metallurgy
non-ferrous production metallurgy有色金属生产冶金学 refractory metals made by powder metallurgy粉末冶金难熔金属材料 ..
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With such advantages as simple production engineering, high purity production, vacuum-thermal reduction technology takes a important position in non-ferrous metallurgy field.
真空热还原制备技术具有生产工艺较简单、产品纯度高等优点,在有色金属冶金领域占有非常重要的位置。
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