mineral extraction 矿物提出 ; 矿物提炼 ; 采矿
mineral extraction tax 矿产资源开采税
paragenous mineral extraction 共生矿萃取
Dagushan Mineral Extraction Plant 大孤山选矿厂
Mineral Extraction and Processing 采矿与加工
Governing Mineral Extraction in Africa 在非洲管理采矿
mineral selection extraction 矿物选择性萃取
Extraction of Mineral Alteration I 基于蚁群算法和支持向量机的矿化蚀变信息提取研究
Sims says measurements of the grade, mineral matrix, and size of the ore deposit appear favorable to commercial extraction.
希姆斯说对矿品位、矿母及矿床大小的测量对商业提取显得十分有益。
Abandoned veins in mineral-rich countries have become viable again-and despite the relatively steep extraction costs, a miniature gold rush might be under way in Britain, too.
矿藏丰富的国家那些已被放弃的矿脉又重新开工——尽管开采成本比较高，英国的微型淘金热也可能正在进行中。
Melting ice may also allow for mineral extraction in areas such as Canada and Russia, and drilling for oil in the Arctic.
冰川融化还可能有助于在加拿大和俄罗斯等地采矿，以及在北极圈开采石油。
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