“beach placer”的概念、定义、翻译、参考文献-科学参考

单词	beach placer
释义	beach placer Encyclopedia 理学海底矿产资源释 beach placer海滨砂矿砂金、砂铂、金刚石、砂锡、石英、金红石、锆石、独居石、钛铁矿等有用矿物以及贝壳砂、砂砾在海滨地带富集而成的具工业价值的海底矿产资源。
随便看	MAP of internal combustion engine Map of Jingjiangfu City map of land use planning map of mining subsidence Map of Nine Governing Districts map of present land use map of primitive data map of telecommunication and information service Map of the Hua and border territories map of the moon Map of United Country of the Qing Dynasty map of Western Xia Map of Zhaoyu map onto map overall design mapper map philosophy mapping mapping based on databases mapping class mapping class group mapping cone mapping-cone construction mapping control mapping control point

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