Dong'an Tunnel, a part of Shaoyang-Yongzhou High-speed Railway, achieved its tunneling milestone of 1,000 meters on April 7, layin
milestone
tunnel
longesttunnel
2025-04-09 17:14 3
On March 26th, the world's first undersea high-speed rail tunnel designed for 350 km/h operation-the Shantou Bay undersea tunnel o
tunnel
underseatunnel
undersea
2025-03-27 22:16 8
That's right, March 14th, or 3.14, the day we celebrate the fascinating mathematical constant Pi, the ratio of a circle's circumfe
lunar
海底隧道
eclipse
tunnel
月食
2025-03-14 21:00 8
In 1858,a French engineer,Aime Thome de Gamond,I m.ei tisn"fifi -et frent.endsin emedi:'gemond。
慢速
tunnel
埃梅
托梅
fifi
2025-03-12 19:59 8
On January 21st, Shenzhen's first undersea tunnel, the Mawan undersea tunnel, officially opened. The Mawan tunnel is also the larg
tunnel
underseatunnel
undersea
2025-01-23 06:55 11