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縫紉機夾爪機構(gòu)怎么畫 |
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點評
這個行業(yè)很窄,做包邊的基本都要用卷邊器,書什么的沒加過,基本都是行業(yè)內(nèi)摸索。
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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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