3383| 7
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有没有直径45的推力调心滚子轴承? |
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点评
主要承受轴向载荷
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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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