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工程師與工匠各有所長!望互相學習互相尊重共同提高! |
點評
樓主的意思是:略微深點的機械設計會涉及高等數學知識。
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小黑屋|手機版|Archiver|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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