关于哈尔滨市天然气置换前准备工作的探讨_燃气资讯_博燃网 关键词: 哈尔滨 天然气 管网 置换 [gap=558]Key Words: Harbin; natural gas; pipe net; transform
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This system offers a feasible solution to city pipe net management and service from application point of view.
该系统从应用角度为城市地下管网的管理和服务提供了一个可行的解决方案。
Some experience summarized should be applied reference for the reconstruction projects of old city sewage pipe net.
总结工程的几点经验可供老城市污水管网改造工程参考。
The two techniques, non-excavation recovery technique and endoscope detection technique of drainage pipe net were put forward.
阐述了排水管网的非开挖修复技术及排水管道内窥检测技术。
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