“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	rifled barrel gun rifle shooting rifle shooting of Summer Paralympics rifling angle rift system rift valley Rift Valley fever rift valley fever Rift Valley fever virus Rift valley fever virus Rif War RIG rig Riga Riga Art Nouveau Museum rigaudon rig auxiliaries Rigel rigenox rigesity rigged Hilbert space rigged manifold rigging rigging of a manifold rigging of a vector bundle

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