Information Technology
| Fri 04 Oct 2024
Beijing, Oct. 5 -- China Railway Liuyuan Group has obtained a patent for subway deep foundation pit rock-soil interface construction drainage device This invention was developed by Liu Kecheng, Ruan Guoyong, Luo Tao, Li Jian, Zhang Meiqin, Xiang Maoyuan, Liu Siyang, Peng Kun, Liao Xingjian, Tang Xiaotian, Tang Jin and Wang Yuegu..