17168| 32
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如何在車床上保證此內孔的光潔度??? |
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點評
請問下,滾壓是什么工藝??我沒聽過。。謝謝賜教了
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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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