标准下载ICS91.140.60CCSP42团体标准T/CI245—2023城市地下综合管廊附属设施运行维护技术规程Technicalspecificationfortheoperationandmaintenanceofauxiliaryfacilitiesofurbanundergroundcomprehensivepipegallery2023-12-25发布2023-12-31实施中国国际科技促进会发布标准下载T/CI245—2023I目次前言.................................................................................
