“mean grade of ore district”的概念、定义、翻译、参考文献-科学参考

单词	mean grade of ore district
释义	mean grade of ore district Encyclopedia 理学固体矿产工业指标释 mean grade of ore district矿床（区）平均品位整个矿区固定的矿体中有用元素或有用矿物含量的平均含量。
随便看	formation and evolution of stars formation-complex formation constant formation constant of complex formation control formation cross-section formation damage formation evaluation formation factor formation flight formation flying formation mechanism of combustion pollutants formation mechanism of nitrogen oxide formation microscanner logging device formation of a group formation of constriction formation of elements Formation of Flying Swan Goose formation of galaxy formation of glass formation of image formation of information system project team formation of nano-crystal with ion implantation formation of operational ability formation of society

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