Robert Stevens, one of Col. John Stevens' sons, invented the T-rail, the form of railroad track in use today throughout the World.

罗伯特·史蒂文斯上校，约翰·史蒂文斯的儿子之一，发明的T -铁路，是当今世界所使用铁轨的雏形。

youdao

As the cross sector seamless line application, maximum limit reduced the railroad track rail joint, thus the security; the steady movement conditions are provided for the high-speed train.

跨区间无缝线路的应用，最大限度地减少了铁路轨道的钢轨接头，从而为高速列车提供安全、平稳的运行条件。

youdao

The third rail, of course, is a metaphor for any issue so controversial that it is untouchable, like the electric rail often found in the center of a railroad track.

FORBES: The 31 Excuses Leaders Use To Avoid Understanding Their Customers (And How To Get Rid Of Them)

Sumwalt said the NTSB investigation to determine a likely cause will include routine testing of railroad employees for drugs and alcohol, testing of the track and rail signals and examinationof the video footage from the front of the train.

WSJ: Mo. highway buckles after rail cars hit overpass