This morning, the “Dinghai” shield machine on the Zhoushan side of the Jintang Undersea Tunnel of the Yongzhou Railway, which is currently under construction, completed shield excavation, marking the completion of shield construction on the Zhoushan side of the Jintang Undersea Tunnel. Currently, the “Dinghai” shield machine on the Zhoushan side of the Jintang Undersea Tunnel has excavated a total of 6270 meters and reached the designated undersea docking position.

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