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鈷奈高溫耐磨損,一般刀子上去就燒掉,有什么樣刀具可以加工啊? |
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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