Jiangyin Jingjiang Yangtze River tunnel, the largest diameter shield tunnel in China undertaken by CCCC tunnel Bureau, ushered in the successful entry of the "juli-1" cutter head of the largest diameter shield machine in China. February 20, 2022, Taizhou City, Jiangsu Province, China. Jiangyin Jingjiang Yangtze River tunnel, with a total length of 11825 meters, is currently the largest super large diameter tunnel in China with the highest water pressure under construction.
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