

城镇排水管道非开挖修复工程施工及验收规程关键技术解读
Interpretation of key technologies for construction and acceptance of urban drainage pipeline trenchless rehabilitation project
安关峰 An Guanfeng
广州市市政集团有限公司 副总经理,教授级高工
Guangzhou Municipal Group co., Senior professor-level senior engineer/ Deputy Chair