Prefabrication of immersed tube E23 of Shenzhen-Zhongshan highway underwater tunnel completed
(Xinhua) 10:06, February 01, 2023 A staff member maintains a device loading immersed tube E23 of Shenzhen-Zhongshan highway underwater tunnel at an immersed tube smart factory of CCCC Fourth Harbour Engineering Co., Ltd. on Niutou Island, Zhuhai, south …