Water supply and drainage works as a residential district of the city an important part of its design and construction quality have a direct impact on the use of functional area.
给排水工程作为城市住宅小区的重要组成部分,其设计施工质量的好坏直接影响小区的使用功能。
3
Wobei exploration district is a drainage network area, it is hard to carry out seismic construction.