www.bzfxw.com辽宁省地方标准普通公路装配式混凝土桥梁下部工程施工技术规范TechnicalSpecificationforconstructionofnormalhighwayprefabricatedbridgesubstructure2024-04-30发布2024-05-30实施辽宁省市场监督管理局发布DB21/T3947—2024ICS93.040CCSP2821www.bzfxw.comwww.bzfxw.comDB21/T3947—2024I目次前言..............................................................................III1范围........................
