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沒(méi)有標(biāo)注深度的螺紋孔是貫通嗎 |
評(píng)分
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點(diǎn)評(píng)
是的,圖紙沒(méi)看懂或者沒(méi)完全理解,,是不能猜的,。
對(duì)啊,打個(gè)電話問(wèn)一下兩分鐘的事情
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