6361| 16
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齒輪孔內套軸承的問題 |
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點評
同意,可以考慮銅套、無油襯套、塑料軸承
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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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