Tianjin Ninghe Za一頻ojia Village Sewage Separati見明on Project, 4,200 house廠關holds, about 10,000北費 people. China's largest 畫船rural sewage sour熱月ce separation negative pressu很數re drainage project. It is difficult 裡姐to solve the problem of sewa村城ge discharge caused by high undergrou動大nd water level and narrow space.開海 The sewage discharge point does not放金 store sewage, does n說還ot need to be connected to el議拍ectricity, the pipeline is thin, the從議 broken road su哥對rface is less, the buried d為內epth is shallow, 訊器and there is no現麗 lifting pump station.