3529| 9
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工藝學(xué)習(xí),求指教 |
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點評
《機械制造工藝》(課本)是工藝最基本的知識,全書不到300頁。
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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