随着城市化程度的不断提高，城市供水业的基础性作用显得越来越重要。
As the level of urbanization increases, the foundation function of municipal water-supply industry becomes more and more important.
随着城市化程度的不断提高，城市供水业的基础性作用显得越来越重要。
As the level of urbanization increases, the foundation function of municipal water-supply industry becomes more and more important.
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