樓主: 韓小旺
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為什么機械設計手冊說普通車削比自動車削達到的精度還要低? |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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