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自1963年11月鶴見站发生行車事故以来,对于列車运行安全有关的各种問題,又作了进一步的研究,其中之一是車輪踏面形状問題。茲将迄今研究的情况作以下介紹: 車輪踏面形状的变革
Since the traffic accident at Tsurumi Station in November 1963, further research has been conducted on various issues related to the safety of train operations. One of them is the wheel tread shape problem. Hereby will introduce the situation studied so far: the change of the wheel tread shape