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請教,,這個(gè)零件如何加工,? |
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點(diǎn)評(píng)
也可以,,不過在你攻絲的時(shí)候孔口也攻上絲牙了,,螺紋深度也增加了,加工難度也相應(yīng)增加,。再者,,在有螺紋的孔擴(kuò)孔質(zhì)量不穩(wěn)定,!
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