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对目前国内外常用的给排水管道在线不开挖新技术进行了阐述,对各种技术的适用性、局限性以及相关的技术经济指标进行了综合分析。
The current domestic and foreign commonly used water supply and drainage pipelines are not excavated on-line and new technologies are described. The applicability, limitations and related technical and economic indicators of various technologies are comprehensively analyzed.