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澆鑄45#鋼,硬度30度,用了好多種刀片,,試下來都不理想 |
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現(xiàn)在只有CBN的刀具能解決問題
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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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