城市排水管网模拟系统 DigitalWater Simulation
监督和检查公司污染负荷的排放情况，维护排水管网系统。
Supervise and monitor the discharging status of pollutant load. Maintain the waste water discharging pipeline system.
前者是根据天然小流域导出的，对城区因下垫面的变化及排水管网系统的差异，采用该方法显然不十分合适；
The former was deduced by the natural small basin, but it is not being considered the underlying surface change and different drainage tube net system.
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.
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