5954| 21
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旋转直线组合机构 |
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点评
电磁铁不适合长时间通电,发热很严重,力也不大
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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