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城鎮(zhèn)排水管道非開挖修復(fù)工程施工及驗(yàn)收規(guī)程關(guān)鍵技術(shù)解讀
Interpretation of key technologies for construction and acceptance of urban drainage pipeline trenchless rehabilitation project
安關(guān)峰 An Guanfeng
廣州市市政集團(tuán)有限公司 副總經(jīng)理,教授級(jí)高工
Guangzhou Municipal Group co., Senior professor-level senior engineer/ Deputy Chair