3279| 6
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求螺絲刀的設計資料 |
點評
補充一點,具體公差得兼顧對應螺釘的國家和行業標準!!
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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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