Zhangjiakou online monitoring system of sewage drainage network consists of monitoring station groups, monitoring data transmission system and monitoring center system. There are two main monitoring stations in the monitoring station group, 18 monitoring stations on I, Ⅱ, Ⅲ and Ⅳ, and 17 monitoring stations for primary and secondary branches, altogether 37.%张家口市中心城区污水排水管网在线监测系统由监测站群、监测数据传输系统和监控中心系统组成. 监测站群中主干管监测站点2座,I、Ⅱ、Ⅲ、Ⅳ四条干管上监测站点共18座,一级支管、二级支管监测站点共17座. 总计37座.
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