3270| 9
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鋼板的焊接坡口 |
點評
30后的鋼板,坡口大約10mm左右吧,砂輪機要磨多長時間
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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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