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原帖由 asdolmlm 于 2006-9-27 22:06 发表 . o& M( v6 Y8 [ J5 c碳素钢:A3,50,55,40,45 . v. i& \' I, a5 K$ z# `合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 ) {- E$ E" s; ~* E; N7 }) u铸钢:ZG45, 0 f3 P# ^1 N3 P+ U) v w6 l5 s" _( e4 Z# D铸铁:HT300,QT600-3,HT180! u8 A4 k+ s# I: U. i# t 有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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