硬巖開采 的英文怎麼說
中文拼音 [yìngyánkāicǎi]
硬巖開采
英文
hard rock mining-
By analyzing the technical flow of pithead heap - leaching uranium deposits of hard - rock type, the authors analyze its 14 cost items such as ore mining fee and major materials fee etc., and set up a geological - economic evaluation model
摘要通過對硬巖型鈾礦坑口堆浸法的工藝流程分析,總結出坑口堆浸成本由礦石開采費用、主要原材料費用等14項要素組成,並建立了地質經濟評價模型。Rockfill materials mining technology by chamber blasting on hard rockmass
堅硬巖體上堆石料硐室爆破開采技術研究
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