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這個(gè)同軸度能做到嗎,?如何加工 |
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評(píng)分
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點(diǎn)評(píng)
線割能直接割出圓孔嗎?不圓吧
自身變形是指結(jié)構(gòu)受力往兩側(cè)張開嗎,?還是指焊接后應(yīng)力釋放
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