5904| 12
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軋機中間輥、工作輥軸軸承問題 |
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點評
但是實體的銅保持架應該比沖壓的剛保持架強度要高呀
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Archiver|手機版|小黑屋|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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