“useful composition”的概念、定义、翻译、参考文献-科学参考

单词	useful composition
释义	useful composition Encyclopedia 理学采样释 useful composition有用组分指矿石中可提取利用的有用元素、化合物和矿物。
随便看	Fairchild Semiconductor International, Inc fair comment faircrete fair dice fair division Faired Comparison fair game Fairies of the Celestial Realm fairing Fairing separation test Fair Labor Standards Act Fair Labor Standards Act Status fairlead fairlight fairness fairness and efficiency fairness cup fairness in education fairness in health financing fair net fair Petri net fair play fair relation fair sample hypothesis fair sequence

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