团体标准T/CCTAS178—2024城市轨道交通工程拱盖法技术规范Technicalcodeforarchcovermethodinurbanrailtransitengineering2024-12-25发布2024-12-25实施中国交通运输协会发布ICS93.020CCSP65www.bzfxw.comT/CCTAS177—2024目次前言.........................................................................................I1范围...........................................................................................