4120| 4
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軸承型號,,22219ES S代表什么,? |
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點評
大俠,,軸承精度與游隙有沒有固定的對應關系?
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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