1936| 6
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电机轴承异响 |
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点评
轴承滚珠磨损了
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点评
再次证明 轴承磨损了
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小黑屋|手机版|Archiver|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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