It can be widely used in petroleum, chemical industry, electric power, water transportation, Boiler and so on, about their pipeline construction and maintenance operations.

可广泛适用石油、化工、电力、水气输送、锅炉等行业的管道施工和维修作业。

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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。

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The causes of indoor drainage pipeline blockage are analyzed from three aspects of design process, construction methods, post-use maintenance and effective prevention measures are proposed.

从设计过程、施工环节、后期使用维护等三方面分析室内排水管道堵塞的原因，并提出有效地防止措施。

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