对目前国内外常用的给水管道在线不开挖更新技术进行了系统的综述，比较、阐述了各种技术的适用性、局限性以及相关的技术经济指标，并提出了技术方案的选择原则。
Commonly used at home and abroad on the water supply pipe line excavation update the technology is not a systematic review, comparison, described the applicability of various technologies, limitations, and related technical and economic indicators and the choice of technical solutions proposed principles.