4677| 3
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40CR的材料,經(jīng)過(guò)冷鍛能否達(dá)到HRC25-30的硬度,?---[請(qǐng)教] |
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Re: 請(qǐng)教:40CR的材料,經(jīng)過(guò)冷鍛能不能達(dá)到HRC25-30
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Re: 40CR的材料,經(jīng)過(guò)冷鍛能否達(dá)到HRC25-30的硬度,?---[請(qǐng)教]
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Re: 40CR的材料,經(jīng)過(guò)冷鍛能否達(dá)到HRC25-30的硬度?---[請(qǐng)教]
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