5551| 14
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熱處理完再 車螺紋 M72X4 ,可以嗎,用何刀具? |
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點評
書上說了 調質鋼具有良好的綜合力學性能
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點評
負10~20絲就行了,關鍵看你那螺紋精度等級
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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