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金屬材料中,,塑性材料和脆性材料的斷面有哪些區(qū)別,,最好能附圖以及原理,。 |
小黑屋|手機版|Archiver|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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