这些机械是用来制造铁路路轨的，但是当时附近并没有铁路，所以这项事业失败了。
Although used to make railway tracks, there was no railway nearby so the industry failed.
不管你做什么，千万不要在任何铁路轨道上撒盐。
Whatever you do, do not sprinkle salt on any railroad tracks.
在美国，人行道与自行车道有时会沿着现有的铁路轨道。
In the United States, pedestrian pathways or bicycle trails are sometimes located along with existing rail corridors.
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