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
煤炭开采和洗选业 mining and washing of coal industry ; Mining and Washing of Coal
有色金属矿采选业 non-ferrous metals mining and dressing ; Mining and Processing of
非金属矿采选业 Mining and Processing of
铁矿采选业 Mining and mineral processing of iron mines
采选作业 Mining and beneficiation production
我国煤炭采选业的好坏直接关系到国家能源供给的大局。
Good or not of mine and pick coal in our country is important to our energy supply.
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;
应用推荐