单选题:下列关于尾矿的说法,正确的是(  )。

  • 题目分类:矿业工程
  • 题目类型:单选题
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题目内容:
下列关于尾矿的说法,正确的是(  )。 A.尾矿是指选矿后残剩的无用矸石
B.尾矿中有一部分是今后可能再利用的有用矿石
C.尾矿是一些石渣,堆放占地,但是无害
D.尾矿库要求具有渗水条件,其目的是排除尾矿的有害成分
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