既有铁路框构桥拆旧建新工程设计与实施

李铁男

Design and Implementation of Old Demolition New Build Project on Frame Bridge for Existing Railways

LI Tie-nan

工业技术创新 . 2021, (2): 143 -147 . DOI: 10.14103/j.issn.2095-8412.2021.04.025