黑色金属矿采选业 Mining and Processing of ; Processing of Ferrous Metals Ores
其他矿采选业 Other Minerals Mining and Dressing
黑色金属矿采选 Ferrous metal ore mining ; Ferrous metal mining
金属矿采选产品 dressing metal mineral products
有色金属矿采选业 non-ferrous metals mining and dressing ; Mining and Processing of
铁矿采选 Iron Ores Mining &Dressing
非金属矿采选业 Mining and Processing of
铁矿采选业 Mining and mineral processing of iron mines
铁矿采选矿工程 mining and dressing engineering of iron mine
铀矿幵采与选矿 uranium mining and milling
金属矿采选产生的金属污染、矿山酸性废水已成为两大环境公害。
Metal pollution and mine acid water produced in the mining and mineral processing of metal mines have become two major public dangers to environment.
研究结果显示，我国钢铁产业对黑色金属矿采选业后向直接关联效应明显高于其它七国；
The findings show that the backward linkage effect of iron and steel industry on ferrous metal industry in china is pronounced than the relative effect in other seven countries;
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