虹吸雨水排水系统
siphonic roof drainage system
屋面雨水排水系统
roof rainwater drainage system
虹吸雨水系统
siphonic rainwater system
虹吸式系统
siphonic rainwater drainage system
坝面排水系统设计
design of dam face drainage system
传统排水系统
traditional drainage system
给水排水系统
water supply and discharge system
哈尔滨工业大学给水排水系统研究所
Research Center for Water Supply and Drainage System
Harbin Institute of Technology
瓦管截水系统排水
intercepting system of tile
Drainage
重要厂用水系统排水渠
essential service water discharge canal
多级串联虹吸排水
multi-level series-wound siphon drainage
虹吸排水
siphoning drainage
siphon drainage
siphon drainage technology
Siphen drainage