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原帖由 asdolmlm 于 2006-9-27 22:06 发表 / C$ L. ]! r9 @6 d7 L8 A) K碳素钢:A3,50,55,40,45 e% E. n/ t& n' D 合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 3 K) J6 i8 u' h9 e5 U# I铸钢:ZG45, & Y& a2 t8 z7 ]. V% E铸铁:HT300,QT600-3,HT1802 R# E0 ]+ k8 v5 _) P; c3 h+ f 有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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