Transportation
| Sat 07 Nov 2026
Beijing, Nov. 6 -- China Railway Tunnel Group and China Railway Tunnel Group Construction have submitted a patent application for Tunnel Air and Water Pipe Lap Joint Robot. This invention was developed by Gao Xiutao, Li Benhua, Zhang Lirui, Pi Hongwan, Li Chaoyang, Zhu He, Li Heyu, Huang Chengkai, Su Baocai, Yi Chongqing, Zhang ..