9448| 24
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求幫下忙!在直徑6MM 長40MM的高碳小圓鋼上打小孔 |
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點評
數(shù)控鉆床就行了,鉆銑床你怕他錢不夠多啊
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點評
電火花也不快啊
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點評
他的意思是要說清楚在圓鋼的直徑上鉆還是端面上鉆。
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點評
哥已經(jīng)給你發(fā)視頻了啊
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