The Haihe River valley used to suffer from drought.
海河流域过去经常遭受干旱。
By analyzing the relation between the underground water and environment, this paper raises the over exploitation cause the ecological and environment problem in the Haihe River Valley.
通过分析海河流域地下水开采与环境变化的关系，揭示了由于海河流域地下水过量开采而引发的生态环境问题。
By analyzing the relation between the underground water and environment, this paper raises the over exploitation cause the ecological and environment problem in the Haihe River Valley.
通过分析海河流域地下水开采与环境变化的关系，揭示了由于海河流域地下水过量开采而引发的生态环境问题。
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