空空 - 2007/10/16 8:35:00
求GB700-88,±{;mM×ïbbs.3c3t.com1&>'Y5c
dongjiazui - 2007/10/16 8:46:00
GB700-88
,±{;mM×ïbbs.3c3t.com1&>'Y5c附件:
GB 700-88碳素结构钢.rar
dongjiazui - 2007/10/16 8:49:00
GB700-2006
,±{;mM×ïbbs.3c3t.com1&>'Y5c附件:
GBT_700-2006_碳素结构钢.rar