结合编制某市市区污水管网系统专业规划，分析和研究了东南沿海地区类似老城区排水管网系统规划与设计需要注意的几个问题。
In compiling a sewer system program in downtown area, the problems deal with the planning and design of sewer network in old township districts in south east seashore area were discussed.
阐述了南京主城排水管网达标规划系统建立的必要性，现阶段该系统以雨水管网为主，介绍了系统建立的原则、开发的技术路线及核算标准等。
The necessity for establishment of planning system for wastewater discharge network achieving the standard in the main urban area of Nanjing was described.
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