metal mine meaning in Chinese

金属矿井
金属矿山

Baoji branch of shanxi non - ferrous metal mine company
陕西有色金属矿山公司宝鸡分公司
Analysis on factors influencing production scale of metal mines
金属矿山合理生产规模的影响因素分析
Study of deep mining technology of large - scale opencast metal mine
大型露天金属矿山深部开采技术研究
Terminology for mining of metal mines
冶金矿山采矿术语标准
Shanxi non - ferrous metal mine company
陕西有色金属矿山公司

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