广县

广县广县
  1. 地下水回灌补源防治咸水入侵技术研究&以山东省广绕县为例

    Technology of groundwater recharge against saltwater intrusion : a case study on Guangrao County , Shandong Province

  2. 广辟水源高青县城区供水走出一片新天地

    Tap water resources widely & New Field for City Water Supply of Gaoqing County