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原帖由 asdolmlm 于 2006-9-27 22:06 发表 ( f5 j! t k8 p% _' w+ b碳素钢:A3,50,55,40,45; A! k; r# r9 z4 z$ a" V 合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 3 v' q/ {! X: e+ L$ ]6 m: g, z8 N铸钢:ZG45,4 e/ I4 c! F5 h$ U5 u$ n% s4 k 铸铁:HT300,QT600-3,HT1804 N+ x& l: `) t: ~ 有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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