“pay ore”的概念、定义、翻译、参考文献-科学参考

单词	pay ore
释义	pay ore [`pā ´ȯr] ^{MINING ENGINEERING} Ore which can be mined, concentrated, or smelted at current cost of exploitation profitably at ruling market value of products.
随便看	secretory granules secretory structure secret weapon sectile section sectional center sectional conveyor sectional core barrel sectional header boiler sectionalized vertical antenna sectional radiography section house section line section modulus sector sectoral harmonic sectoral horn sector boundary sector disk sector display sectored light sector gate sector gear sectorgram sector interleave

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