GB/T 39559.2-2020城市轨道交通设施运营监测技术规范第2部分:桥梁标准
英文:Specifications for operational monitoring of urban rail transit facilities—Part 2: Bridge GB/T 39559.2-2020介绍: 国家标准《城...
英文:Specifications for operational monitoring of urban rail transit facilities—Part 2: Bridge GB/T 39559.2-2020介绍: 国家标准《城...