7574| 7
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螺紋深度怎么標注 |
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具體怎么標呢
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可以截個圖看看么,那個孔深的符號像丁那個符號怎么畫,那娘貌似沒有…………
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大一點就是機械設(shè)計手冊,小一點就是機械制圖手冊。再小點就是制圖課本
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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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