Transportation
| Mon 11 May 2026
Beijing, May 11 -- China Railway 20 Bureau Group has applied Chinese patent for Ground Surface Settlement Compensation Method for Soft Rock Tunnel. Zhao Xiaofei, Wu Chuncheng, Qi Zengtao, Li Shuguang, Xu Jianping, Wang Yin, Wang Xingli, Wang Qingsong, Fan Shengyuan, Du Pengxiang, Li Sheng, Wang Yi, Pei Qiuyang, Qu Yakang, Zhang ..