1182| 2
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電子顯微鏡下鋼材表面的微小裂縫 |
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點(diǎn)評(píng)
可以看下斷口,,沖擊斷裂和疲勞斷裂的斷口就不一樣
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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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