“placer mineral”的概念、定义、翻译、参考文献-科学参考

单词	placer mineral
释义	placer mineral Encyclopedia 理学矿物释 placer mineral重砂矿物沉积物中密度较大（一般在2.9克/立方厘米以上）、机械性质和化学性质比较稳定的碎屑矿物。
随便看	the roll of the charters/Charter Roll The Romance at the Ruixian Pavilion The Romance of a Scholar and Two Girls The Romance of the Lute The Romance of the Three Kingdoms The Romance of the White-hair Maiden The Romance of Three Kingdoms The Romance of West Chamber in Zhugongdiao-Style Songs The Romancing Star The Romantic Swordsman theront the rope class falling objects fishing theropods The Rose and the Cross the Rose Apple Literary Society The Rotterdam Convention The Round House The Rout/The Nineteen The Roving Swordsman the row-boat dance The Royal Ballet of Cambodia Play The Royal Children’s School in Northern Wei Dynasty the royal clan education The Royal Dao's Altar in Northern Wei Dynasty the royal kiln of Qing Dynasty

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