copper mine

英 美
  • 铜矿山
Noun:
  1. a mine where copper is dug from the ground

    1. The paper researched the influence of humic acids on the existing form of heavy metals in Yongzhou copper mine and Chejiang copper mine contaminated tailing soils.
      实验研究了腐殖酸对永州铜矿山和衡阳车江铜矿中重金属存在形态的影响。

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