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1921年7月23日

1分钟阅读

钢轨寿命报告

铁路如何使用钢轨截面机来确定其轨道上的磨损

作者：罗伯特·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 大众科学 Magazine Vol. 125 No. 4 (July 1921), p. 66
doi:10.1038/scientificamerican07231921-66

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