4640| 12
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這幾日修改圖紙,發現幾個一直很模糊的概念 |
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點評
焊接看要是啥產品了,飛機上也有焊接,這個焊接標注能沒有意義?焊縫尺寸設計師敢不標?
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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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