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  1. 1
    齿轮制造业的现状及存在的问题

    齿轮制造业的现状及存在的问题 by 赵丽荣

    Published 1986-01-01
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  2. 2
    伺服系统内自动补偿型齿轮减速机

    伺服系统内自动补偿型齿轮减速机 by 伊藤, 昌彦, 赵丽荣

    Published 1990-01-01
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