城市地下管网是现代化城市基础设施的主要组成部分,担负着能源、信息、通讯、广播电视等传输工作。它包括给水、排水、煤气、热力、电力、电讯等管道及其辅助设施。由于某些历史原因,我国很多城市没有完整的地下管网档案,造成了城市规划、设计上的盲目性,屡屡发生地下管线被挖断事故。建立齐全完整的城市地下管 Urban underground pipe network is the main component of modern urban infrastructure, responsible for energy, information, communications, radio and television transmission. It includes water supply, drainage, gas, heat, electricity, telecommunications and other pipelines and their ancillary facilities. Due to some historical reasons, many cities in our country do not have complete archives of underground pipe networks, which has caused the blindness in urban planning and design. Underground pipelines have been cut accidentally. Establish a complete city underground pipe