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機(jī)械新手,有個(gè)小問題請(qǐng)教各位大佬 |
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點(diǎn)評(píng)
仔細(xì)一看這是那個(gè)大哥畫的圖紙,,憨批,,估計(jì)是表達(dá)上下的破口樣式又不想出個(gè)投影,斷面圖也不是這么畫的
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