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征求設(shè)計:一種穿針、打結(jié)機構(gòu) |
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點評
這是縫紉機的標準件,雙線作業(yè),我要的是單線作業(yè)!
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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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