库约

  • 网络Cuyo;LujandeCuyo;Luian de Cuyo;Arnaud Kouyo
库约库约
  1. 我国现有国有矿山8840多座,年尾矿排放量达3亿吨以上,尾矿库约1500座。

    There are more than 8840 mines and 1500 tailing reservoirs in our country , and annual discharge is more than 0.3 billion tons .