5028| 7
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為什么鏜比鉆的精度要高呢?同樣的設備情況下~! |
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點評
需要精度的小孔也要預留一定的余量,二次鉆,修正
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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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