5416| 12
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軋機中間輥,、工作輥軸軸承問題 |
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評分
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點評
但是實體的銅保持架應(yīng)該比沖壓的剛保持架強度要高呀
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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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