Much of highway engineering is devoted to the planning and construction of facilities to drain the highway or street and to carry streams across the highway right-of-way.
许多公路工程都要作一些设施（为公路或街道排水的设施， 供穿过公路用地的溪流通过的设施）的规划和建设。
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.
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。
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.
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。
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