4549| 20
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如圖,300件,工藝求助 |
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點(diǎn)評(píng)
怎么呢?一步步從胚料下料開(kāi)始到加工完成也沒(méi)哪個(gè)部位在實(shí)際操作中不好加工的,都是些基本的加工 工藝,同時(shí)又不互相干涉,這設(shè)計(jì)是什么問(wèn)題呢?
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