2970| 3
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為什么在相同進(jìn)給的情況下,,PCD要比硬質(zhì)合金的刀片,,做出來(lái)的粗糙度要好,? |
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點(diǎn)評(píng)
硬度,摩檫系數(shù)(包括前刀面光潔度,,PCD元素結(jié)構(gòu))
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