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gao tie : si zong si heng chu bu cheng wang
Pages: 9
Year: Issue:  Z2
Journal: Required Reading for Junior Middle School Students

Keyword:  高速铁路网高铁成网铁路发展国家规划里程世界运营京广广州;
Abstract: <正>不久前,世界上运营里程最长的高速铁路——京广高铁正式全线贯通,北京至广州的时间缩短至8小时左右。至此,中国的高速铁路初步成网,新建投入运营里程达到9349公里,成为世界上高速铁路发展最快、规模最大的国家。目前,国家规划的"四纵四横"高速铁路网仅差郑州至徐州高铁。作为京沪高铁
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