CAD协同设计 CAD cooperation design

多CAD协同 Multi-CAD

cad协同设计 cad cooperative design ; cad collaborative design

CAD协同预算 CAD cooperative budget

协同CAD Collaborative CAD

协同CAD系统 collaborative CAD system

协同cad co-cad ; cooperative cad ; a collaborative cad

协同cad教学 conjunction-cad teaching

复制式协同CAD Replicated collaborative CAD