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能不能用調(diào)質(zhì)的方法既去應(yīng)力,又增加軸的硬度? |
Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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