Pipe
| Sun 14 Jun 2026
Beijing, June 15 -- East China jiaoTong University has submitted a patent application for Installation Method of Roadbed Grouting Lifting Bag Pipe Device. This invention was developed by Xu Changjie, Yao Hongliang, Nie Rusong, Fan Jinhui, Zou Daifeng, Jiang Qiangbo, Wei Ming, Huang Dawei, Liu Hongyang, Deng Jianyi, Yue Pengfei a..