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productive ore reserve
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productive ore reserve
Encyclopedia
工学
生产矿量
释
productive ore reserve
生产矿量
矿山生产过程中,根据采矿工程的准备程度,计划开采的矿石量所分为的开拓矿量、采准矿量和备采矿量三个级别的的矿量总称。又称三级矿量。露天矿只划分开拓矿量和备采矿量两级。
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