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魏氏組織對金屬性的影響能不能一概而論,,如果魏氏組織較細,,將改善金屬的力學性能... |
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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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