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原帖由 asdolmlm 于 2006-9-27 22:06 发表2 A7 v! z1 w. j 碳素钢:A3,50,55,40,45 - ^3 k3 O2 m/ i4 \- F2 s) V; \合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2! ?3 [, {9 c' Y8 B$ ] 铸钢:ZG45, " C/ h8 p5 B: G! O" U9 o铸铁:HT300,QT600-3,HT180 / [0 O5 Y4 C; e$ n9 t3 `0 [有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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