Sanitary Sewer Network Structure

Sanitary Network Structures include pump stations, treatment plants, and valve chambers. Sanitary sewer network structures are derived from georeferenced record drawings, field collection, and/or orthophotos.生活污水管网设施（Sanitary Network Structures）包含泵站、污水处理厂与阀门井。该生活污水管网系统的数据源自地理参考记录图纸、野外实地数据采集以及正射影像图（orthophotos）。