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来自维基百科,自由的百科全书
春秋末期
战国末期
秦汉时期
近代
现代铁道的标准轨轨距,传承自古罗马马战车轮距,罗马帝国后,欧洲的马车都采用与古罗马战车相同的轮距,而后来铁路发明后,也将标准轨距定义为与马车相同的轨距。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.