The mechanism and methods of pipeline repairing by PE pipe insert replacement technology is explained based on the properties of PE pipe, and several main in-site working technologies are introduced.
根据PE管的特性，阐述了运用PE管穿插更新技术进行管道修复的机理和方法，介绍了一些主要的现场施工技术。
The mechanism and methods of pipeline repairing by PE pipe insert replacement technology is explained based on the properties of PE pipe, and several main in-site working technologies are introduced.
根据PE管的特性，阐述了运用PE管穿插更新技术进行管道修复的机理和方法，介绍了一些主要的现场施工技术。
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