MAPGIS综合管网信息系统
the MAPGIS comprehensive tube net information system
管网检漏
Leakage Survey of Gas Network
管网故障
fault of the pipelines net
fault of gas pipeline network
Network fault
管网分区
division of water distribution
管网叠压供水系统
Network pressure-superposed water supply system
管网叠压供水
network pressure-superposition water supply
direct network pressure-superposed water supply
管网叠压
network pressure-superposition
Network layers
管网冲洗
water distribution system flushing
管网安装
piping network installation