Groundwater is not only a significant part of water recycle but also an important fresh water resources for human beings especially for in the suburb and in the rural area.

 
  • 摘要地下水不僅是水文循環(huán)的一個(gè)重要組成部分,還是人類(lèi)的一種重要淡水資源,尤其是對于郊區和農村地區的用水。
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