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1921年7月23日

1分鐘閱讀

鋼軌壽命報告

鐵路如何使用鋼軌截面機來確定其軌道上的磨損

作者：羅伯特·G·斯克雷特

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More by Robert G. Skerrett

This article was originally published with the title “Reporting the Life Story of Rails” in 大眾科學 Magazine Vol. 125 No. 4 (July 1921), p. 66
doi:10.1038/scientificamerican07231921-66

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