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一個(gè)加工不停的發(fā)生形變,材料現(xiàn)使用的是40CrNiMoA,該怎么做熱處理來(lái)提高使用壽命... |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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