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螺紋深度怎么標(biāo)注 |
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點(diǎn)評(píng)
具體怎么標(biāo)呢
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點(diǎn)評(píng)
可以截個(gè)圖看看么,那個(gè)孔深的符號(hào)像丁那個(gè)符號(hào)怎么畫,那娘貌似沒(méi)有…………
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點(diǎn)評(píng)
大一點(diǎn)就是機(jī)械設(shè)計(jì)手冊(cè),小一點(diǎn)就是機(jī)械制圖手冊(cè)。再小點(diǎn)就是制圖課本
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