2026| 34
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結構問題,麻煩各位大佬幫忙看一下 |
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點評
你引線所示的滾動體就是軸承吧,引線所示的外圈是軸承座吧。
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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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