3421| 7
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加工螺紋M6x1,,原先底孔鉆是5.0加工的,,現在用5.1的加工,。,。,。 |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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