樓主: 光光機(jī)械
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模具,材料40Cr ,精度0.8 |
點(diǎn)評(píng)
抽屜里一塊CBN的刀頭,差點(diǎn)連盒子扔了,是車淬過(guò)火鋼件的。我也用小巨人數(shù)車的。40Cr好車的很奧
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