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這張三視圖是鈑金圖嗎 |
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點(diǎn)評(píng)
4樓的回答你看不懂嗎
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點(diǎn)評(píng)
那個(gè),你先下下來,就知道書名了哇。鈑金沖壓工藝竅門與鈑金件設(shè)計(jì)制造技術(shù)方法及圖集典范實(shí)用手冊(cè),打字好累。
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