18657| 44
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神奇的门铰,谁能解析它的原理? |
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点评
这个阻尼器真的有点负责啊
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点评
老外就是NB啊,中国机械同仁们加紧追赶啊,国内没有山寨的?
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Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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