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原帖由 asdolmlm 于 2006-9-27 22:06 发表 3 I/ |1 O( w0 Q" a) {" a9 i$ o8 v碳素钢:A3,50,55,40,45( y6 d( u, f6 E/ e1 ]( w3 O: l 合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 2 e1 r4 ^1 g+ _0 R铸钢:ZG45, 5 [; @9 w7 y a铸铁:HT300,QT600-3,HT180- [+ r4 Y* {4 z) ]* A# K 有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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