黑科技检测桥梁

Group 1 - The article highlights the use of advanced technology such as drones, underwater robots, and unmanned measurement boats by the railway workers to inspect railway bridges and structures, ensuring the safety of train operations as the 2026 Spring Festival travel season approaches [2] Group 2 - The Guangzhou Railway Group's Changsha High-speed Railway Maintenance Section is specifically mentioned as utilizing these new devices for structural inspections [2] - The focus on safety and technological advancement reflects the industry's commitment to maintaining infrastructure integrity ahead of peak travel periods [2]