机械设计制图手册
machine design graphics manual
机械设计制造及其自动化
machine design manufacturing and automation
机械设计专家系统
mechanical design expert system
机械原理与机械设计
mechanical principle and mechanical design
计算机辅助机械设计
computer-aided mechanical design
mechanical CAD
computer aided machine design
计算机辅助机械设计系统
computer-aided mechanical design system
精密机械设计基础
elementary precision machinery design
农业机械设计
agricultural machinery design
现代机械设计思想
modern mechanics design ideology
包装机械设计
packaging machinery design
packaging machine design