10104| 25
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高頻淬火時某些部位不想被淬火燒到,如何屏蔽 |
點評
除了金屬,書上看過有用其他材料的效果跟好,耐高溫,陶瓷~
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小黑屋|手機版|Archiver|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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