CATIA V5R20 qu mian she ji jiao cheng / CATIA V5R20 qu mian she ji jiao cheng/ UG NX 8.5 qu mian she ji jiao cheng / UG NX 6.0 ban jin she ji jiao cheng / UG NX 6.0 ban jin she ji jiao cheng/ Creo 2.0 mo ju she ji jiao cheng / Solid Edge ST4 ban jin she ji jiao cheng / Man hua she ji jiao cheng/ Protel 2004 dian lu she ji jiao cheng/ CATIA V5R20 qu mian she ji shi li jing jie/