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這個內溝槽好不好做? |
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點評
謝謝啊,,看過你的帖子了,,難度更大。我這個直徑13的孔要不要專門磨刀具,?
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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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