“gold placer deposit”的概念、定义、翻译、参考文献-科学参考

单词	gold placer deposit
释义	gold placer deposit Encyclopedia 理学[贵金属矿床]释 gold placer deposit砂金矿矿床原生金矿床或含金的岩石，经风化作用剥离出的金系列矿物颗粒被流水搬运、富集而形成的矿床。是重要金矿床类型。
随便看	class calculus class categorical in power class character class contradiction and non-class contradiction class diagram class equation classes and stratum classes组间平方和阵 classfication of photography Classfied Treatments Based on Cateɡorical Identification class field class field theory class field tower class field tower problem class formation class frequency classful addressing class function class group class group factorization method class group of a field classical classical absorption classical A.C.bridge classical age

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