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天天向上學(xué)習
天天向上學(xué)習
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樓主  發(fā)表于: 2024-06-17 14:10
下載的標準常用機械資料表，我經(jīng)常用，比較全面和方便
附件： 機械設計常用資料.pdf (2444 K) 下載次數:1027
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