18296| 8
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我們所說(shuō)的726刀具是不是YT726?屬于哪種硬質(zhì)合金 |
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點(diǎn)評(píng)
會(huì)不會(huì)是紅硬性關(guān)系,但一般銅合金沒聽說(shuō)加工發(fā)熱厲害啊,不明白
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點(diǎn)評(píng)
硬度越高越耐磨但不抗崩,韌性越好越抗崩但不耐磨。
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