【摘要】 介绍了旧管道免开挖修复新技术———穿插HDPE管内衬修复旧管道在燃气管道修复中的应用 ,并对它的应用前景作了分析更多还原

【Abstract】 This paper describes an application of high density polyethylene lining in remedying buried old gas pipeline, which is a new remedy technology that eliminates digging process of old pipelines. Its future in application is analyzed.更多还原