此内容来自第三方平台 (Dailymotion)。如果此视频侵犯了您的版权，请使用 立即删除 工具。
Tunnels
描述
Just talking about guidelines which will be made regarding the inspection of tunnels.
相关视频
Bridges Tunnels & Installations Clear Moon Footage
Bruce Swartz
Oxford Discover Level 6 Big Question 1 Why Do We Builds Bridges and Tunnels 2
English For All
Download All the 214 Bridges Across the Thames: Together with the 17 Public Tunnels, 12 Crossable
Kahewai
Tomy Takara Plarail Hiro Proteus Percy Bertie Thomas The Tank Tunnels & Bridges Thomas The Tank
ToyTrains4u
He also championed the use of domestic steel, promising to pursue an infrastructure plan under which “new ships, bridges, tunnels
RisingWorld
NYC to Implement Checkpoints at Bridges and Tunnels to Help Enforce Out-of-state Travelers
Travel and Leisure