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原帖由 asdolmlm 于 2006-9-27 22:06 发表 ) g4 P, Z' X6 f' r4 K' A& j碳素钢:A3,50,55,40,45 2 b+ E" H4 S5 c1 Y; l8 k1 j合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 " b& l9 x4 }* R0 d1 T( S铸钢:ZG45,, @2 f; Z% h2 J' g( z 铸铁:HT300,QT600-3,HT180$ b# ?$ E4 l5 A7 { 有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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