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单词
cut-off grade
释义
cut-off grade
Encyclopedia
工学
〔矿产工业指标〕
释
cut-off grade;marginal grade
边界品位
在圈定矿体时,对单个矿样中有用组分含量的最低要求,以作为区分矿石和围岩的界限品位。是固体矿产工业矿体圈定时的一项品质指标。
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