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1923年11月1日

1分钟阅读

滚珠轴承及其制造方法

微小但完美的球体，可降低现代机械中的摩擦损耗

作者：Robert G. Skerrett

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This article was originally published with the title “Ball Bearings and how they are Made” in 大众科学 Magazine Vol. 129 No. 5 (November 1923), p. 330
doi:10.1038/scientificamerican1123-330

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