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标题: Research on ultra high speed gear devices [打印本页]

作者: roryxu 时间: 2020-6-2 09:59
标题: Research on ultra high speed gear devices

题名	Research on ultra high speed gear devices
链接	https://www.researchgate.net/publication/284051960_Research_on_ultra_high_speed_gear_devices

本帖最后由 roryxu 于 2020-6-2 10:10 编辑

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