穿越机视角带你感受世界最长海底高铁隧道建设

Core Viewpoint - The Yongzhou Railway's Jintang Undersea Tunnel, spanning 16.18 kilometers, is set to become the world's longest undersea high-speed rail tunnel, with completion expected in 2026 [1] Group 1 - The tunnel starts from Beilun District in Ningbo, Zhejiang Province, and ends at Jintang Town in Zhoushan City [1] - It utilizes two large-diameter shield machines, named "Dinghai" and "Yongzhou," which will commence excavation from both ends simultaneously [1] - The project aims to achieve high-precision alignment in complex underwater geological conditions [1]