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原帖由 asdolmlm 于 2006-9-27 22:06 发表+ R1 ~8 @# M- Z6 Y; s$ m5 m0 S 碳素钢:A3,50,55,40,45/ l' o+ O" F# R9 g; \. m 合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 9 x: Y1 p' G1 ?& k' @铸钢:ZG45,9 T. h# V: j' x5 B 铸铁:HT300,QT600-3,HT180 : |. n6 m. T9 n5 P8 |有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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