Aug 24, 2021 07:00 PM (GMT+8) · EqualOcean
Cailian, August 24 (Reuters) - according to China Railway Construction Co., Ltd., a large-diameter shield machine with a cutter head coated with a lion pattern was officially offline in Changsha, Hunan. This shield machine is independently developed by China, with an excavation diameter of 13.42 meters. After offline, it will participate in the construction of the Pearl River Estuary tunnel of Shenzhen Jiangmen railway, the deepest subsea tunnel in China.