物资供应管理是管道建设的重要基础和质量保证。
The management of material supply is the important base and quality guarantee of pipeline construction.
所有管道建设都包括投产运行前对竣工管道的试验。
All pipeline construction includes testing the completed pipeline before it is put into operation.
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。
Consulting engineers for pipeline construction, maintenance, rehabilitation of pipe and sewer systems and consulting for environmental technology.
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