多管材给水管网
water supply network of multi-material pipe
给水管网调整方案
Reconstruction Planning of Water Supply System
给水管网改造
reconstruction of water supply network
给水管网水力模型
hydraulic model for water distribution network
给水管网系统
water distribution systems
water distribution network
给水管网优化
water supply network optimization
optimization of water supply network
环状给水管网
annular water supply network
消防给水管网
water supply pipe network
给排水管网设计
waste pipe-network design
供水管网管理
water supply pipe management
高压给水管道
high-pressure feedwater pipe