“cut-off grade”的概念、定义、翻译、参考文献-科学参考

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。
随便看	rice dwarf disease rice ear-cutting caterpillar rice ephydrid rice ephydrid fly rice false smut rice-field eel ricefield eel culture rice-field eels ricefield flatsedge rice field seeding-machine rice field tillage rice-fish mutualism in terraces rice-flavor liquor rice flour dough rice gall dwarf disease rice gall midge rice glume blight rice grain rice-grain effect rice hispa rice huller rice husking dance rice kernel smut rice leaf beetle rice leaffolder

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