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原帖由 asdolmlm 于 2006-9-27 22:06 发表 3 j6 g% C1 ?/ j" D3 {1 e% }- _# G碳素钢:A3,50,55,40,45( E$ W# l. E% S9 s# a, F% V 合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2( G6 O/ x) a! f! z$ i 铸钢:ZG45, + Q5 r# _) }" ~$ M$ x/ l9 I: d铸铁:HT300,QT600-3,HT180 ! }" i9 H% m8 t$ z5 N有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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