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原帖由 asdolmlm 于 2006-9-27 22:06 发表8 {8 M8 s7 U2 U! h 碳素钢:A3,50,55,40,45 . p- a8 n5 x( N$ ~1 U* u8 z4 O合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 $ Q/ ?0 p. P- A; V铸钢:ZG45,; @/ ]* \# v4 M 铸铁:HT300,QT600-3,HT180 8 E+ k3 R6 r2 R; Q9 \: V6 ]. S有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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