Synonyme wurden verwendet für:
Tunnels
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keywords:("Tunnels")
Proposed English Channel tunnel: its estimated traffic and revenue
Enlargement of the city and South London railway tunnels
Analytical methods in transportation -- Operations research in tunnel traffic control
Pantograph device for tunnel cross sections
Proposed vehicular tunnel under the Hudson at New York
Developments of immersed underwater tunnels
Fast tunneling salvages blocked railroad project
Equipping long railway tunnel for electric traction and increasing headroom by lowering tracks
Tunnels at Velsen, Netherlands, under Amsterdam-North Sea navigation canal
Method of operating Holland vehicular tunnels
Automobile tunnels -- Car driving or "rolling highway"