gap between rails

См. также в других словарях:

• Difference between train and tram rails — A railroad or railway is a track where the vehicle travels over two parallel steel bars, called rails. The rails support and guide the wheels of the vehicles, which are traditionally either trains and trams. Modern light rail is a relatively new… …   Wikipedia

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• joint gap — noun Etymology: joint (I) : the distance in 64ths of an inch between the ends of contiguous rails measured at a point about 5/8 inch below the top of the rail …   Useful english dictionary

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