Consulting engineers for pipeline construction, maintenance, rehabilitation of pipe and sewer systems and consulting for environmental technology.
管道建设和维护，管道和下水道系统改建领域的工程咨询服务，以及环保技术咨询。
The rehabilitation and extension project of combined sewer system in Xingsha Economic and Technological Development Zone, Changsha, is taken as a case study in this thesis.
本文以长沙市星沙开发区的合流制排水管网改扩建为工程实例进行了深入研究。
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