An engineer works in a shield tunneling machine at the construction site of Suzhou Subway Line S1 in Suzhou, east China’s Jiangsu Province, Dec. 7, 2020. The Suzhou Subway Line S1 with a total length of 41.25 kilometers is expected to be put into trial operation in December 2023. (Xinhua/Li Bo)
An engineer conducts installation operation in a shield tunneling machine at the construction site of Suzhou Subway Line S1 in Suzhou, east China’s Jiangsu Province, Dec. 7, 2020. The Suzhou Subway Line S1 with a total length of 41.25 kilometers is expected to be put into trial operation in December 2023. (Xinhua/Li Bo)
Engineers work in an operation room of a shield tunneling machine at the construction site of Suzhou Subway Line S1 in Suzhou, east China’s Jiangsu Province, Dec. 7, 2020. The Suzhou Subway Line S1 with a total length of 41.25 kilometers is expected to be put into trial operation in December 2023. (Xinhua/Li Bo)