阐述了HDPE管折叠内衬修复技术的原理、材料和主要机械设备，详细介绍了该施工技术的具体工艺流程及各施工环节应注意的事项，并对HDPE管内衬修复技术的特点进行了系统分析，以供参考借鉴。%This paper elaborated the principle,materials and main mechanical equipment of HDPE pipe folded lining repair technology,intro-duced in detail the specific technological process of this construction technology and the matters should be paid attention to in construction link, and system analyzed the characteristics of HDPE pipe lining repair technology,for reference.
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