February twenty seventh，CCTV《News broadcast》Focus on the world's longest undersea high-speed rail tunnel Shield Machine“Yongzhou”Off the line。

“Yongzhou”Jointly built by China Railway Construction Heavy Industry and China Railway 14th Bureau，Will be used in the world's longest submarine high-speed rail tunnel——Jintang Submarine Tunnel of Ningbo-Zhoushan Railway。The total length of Jintang Subsea Tunnel is 16.18 kilometers，Wherein the length of the shield section is 11.2 kilometers，Two Shield Machines are used from Ningbo、Driving in opposite directions from Zhoushan，The world's first super-large diameter Shield Machine will be docked and dismantled on the seabed.。