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我設(shè)計的包裝機械,代表作:) |
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點評
前輩知道熱合刀的材質(zhì)嗎?
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Archiver|手機版|小黑屋|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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