3748| 8
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圖示標(biāo)注是什么意思 |
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點(diǎn)評(píng)
D2=10(M10螺紋)
t2=20(螺紋深20)
t3=23(螺紋底孔深23)
菜鳥(niǎo)圖紙,,居然不寫(xiě)代號(hào)注釋
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