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原创 北京不需要外国保卫!面对苏联专家的宽轨建议,滕代远强硬回复
当时,苏联境内通用的是1524mm的宽轨,而世界上绝大部分国家,采用的都是标准轨。民国时期,除了阎锡山治下的山西采用1000mm的窄轨,国内兴修的铁路轨距多为1435mm的标准轨。
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