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[华中科技大学] 鍗庝腑绉戞妧澶у?2007骞存潗鏂欐垚褰㈠師鐞嗕笓涓氳?鑰冪爺鐪熼?璇曞嵎
2、简述钝金属晶体宏观长大方式 3、影响铸件凝固方式的因素有哪些?2014-10-17 编辑:Frances
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[华中科技大学] 鍗庝腑绉戞妧澶у?2006骞存潗鏂欐垚褰㈠師鐞嗕笓涓氳?鑰冪爺鐪熼?璇曞嵎
1、为什么股冷度·过冷度是液态合金结晶的驱动力? 4、何谓析出性气孔,有何特征?2014-11-14 编辑:Frances
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2014-10-17 编辑:Frances
2014-11-14 编辑:Frances