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铁路减速顶二十年大事记（１９７４─１９９４）中国铁道学会减速顶调速系统委员会一九六四年三月哈尔滨铁路局科委办会战组成立，负责哈尔滨站下行场技术改造。十月铁道科学研究院运输研究所和西南交通大学运输系向哈尔滨铁路局介绍英国道蒂公司减速顶概况，并建议哈尔滨...
Railway deceleration top twenty years memorabilia (1974 ─ 1994) China Railway Society deceleration governor system committee March 1964 Harbin Railway Bureau Science and Technology Commission will be set up to fight the team, responsible for Harbin station downlink technical transformation. October Institute of Railway Research Institute of Transportation and Southwest Jiaotong University Department of Transportation to the Harbin Railway Bureau introduced the Dowty Company deceleration head profile and recommended Harbin ...