“矿区平均品位”的概念、定义、翻译、参考文献-科学参考

单词	矿区平均品位
释义	矿区平均品位 Encyclopedia 工学〔矿产工业指标〕释 average grade of mine district矿区平均品位整个矿床（区）中有用组分的总平均含量。又称矿床平均品位。是从整体上衡量矿床贫富程度的一项参数，也是衡量某些矿床（尤其是矿石品位变化大的）在当前是否值得开发建设和开发后能否获得预期经济效益的一项指标。
随便看	water survey water swelling strip water system layout in garden water system of hydropower station water system planning water table depth water tariff water temperaturein marginal sea of China water temperature measuring instrument water temperature observation water test water thawing equipment water-tight watertight bulkhead water-tight connector water tightness water tipper Waterton Glacier International Peace Park Waterton Lakes National Park water toughening water tower structure water traffic control system Water Transfer from Yellow River to Wei River water transfer printing Water transfer project from Datong river to Qinwangchuan district

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