5361| 6
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求助高手:20CrMo材料,攻絲M5*0.5,底孔4.6mm通孔,轉速700r,大批量,老愛卡壞絲牙 |
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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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