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小学语文课本第十二册《詹天佑》一文中有这样一段话: “从北京到张家口的铁路长二百公里,是联结华北和西北的交通
The text of the 12th grade primary school textbooks, “Zhan Tianyou,” a passage in this article: "From Beijing to Zhangjiakou railway 200 kilometers long, is a link between North and Northwest traffic