城市排水设施中恶臭的产生有其必然性和极大的危害性，恶臭源的分布也具有一定的规律性。
The generation of foul smell in urban drainage facilities is inevitable and very harmful, and the distribution of foul smell source is of certain regulation.
未取得城市排水许可证书，排水户不得向城市排水管网及其附属设施排放污水。
No drainage entity may drain sewage into the urban drainage pipe network and its accessory facilities if it fails to obtain an urban drainage license.
城市排水管网是城市的重要基础设施。
Urban drainage pipe network is important establishment of a city.
第三条排水户向城市排水管网及其附属设施排放污水，应当按照本办法的规定，申请领取城市排水许可证书。
Article 3 to drain sewage into the urban drainage pipe network and its accessory facilities, a drainage entity shall apply for an urban drainage license in accordance with these Measures.
随着我国城市化进程和城市基础设施建设的加快，如何保障城市排水管网的运行安全是急需解决的问题。
As the rapid process of city infrastructure construction and urbanization, how to protect the safe operation of urban drainage pipeline network is an urgent problem.
随着我国城市化进程和城市基础设施建设的加快，如何保障城市排水管网的运行安全是急需解决的问题。
As the rapid process of city infrastructure construction and urbanization, how to protect the safe operation of urban drainage pipeline network is an urgent problem.
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