In the ways to alleviate municipal water shortage, municipal sewage reuse may open the second water source, it is easier implement and more economical than other ways.
在缓解城市缺水问题上，城市污水回用可开辟城市第二水源，比其他开源节流途径在实际中更容易实施，更经济。
In the ways to alleviate municipal water shortage, municipal sewage reuse may open the second water source, it is easier implement and more economical than other ways.
在缓解城市缺水问题上，城市污水回用可开辟城市第二水源，比其他开源节流途径在实际中更容易实施，更经济。
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