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為什么在網上查到的圓錐滾子軸承的外圈都是圓柱形的? |
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點評
你外圈沒拆掉 還掛在設備上
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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