精选优质文档-倾情为你奉上unit oneDistribution system分配系统Grid system 环状管网ring system环状管网loop feeder 环状管网branching system 枝状管网combination system 联合管网（combined system）Topography地形学，地形，地貌，地势dead end死水点feeder 给水管，进料器Elevation地面标高valve 阀门，真空管water supply 给水，自来水，供水系统service reservoir 配水池（调节水池）pump 泵storage element （储水）构筑物70m head 70米水柱leakage rate 泄漏量（泄漏率）hydraulic 水力的，水压的hydraulic analysis 水力分析field measurement 现场测量（实测）field date 实测数据key point管网节点pipe junction
