计算机辅助设计及制造
cad/cam
Computer Aided Design and Manufacturing
步进电动机计算机辅助设计(步进电动机 C A D)
change of structural system
计算机辅助设计制造
Computer aided design and manufacture
cad/cam
CADCAM
计算机辅助设计-制造一体化
Computer aided design and manufacture integrated
3维计算机辅助设计
three-dimension computer aided design