5495| 10
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各位大神,求教一個大孔和小孔貫穿,先加工哪一個? |
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點評
他的意思是十字相交貫穿
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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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