I have been teaching courses such as Engineering Graphics, Computer Aided Drawing and Mechanical Design.
主要教授课程：工程图学、计算机辅助制图、机械设计。
At present, most systems of mechanical design and others are accomplished by computer aided design.
目前，在机械设计以及其它设计领域，大多数的系统都是由计算机辅助设计完成。
At present, most systems of mechanical design and others are accomplished by computer aided design.
目前，在机械设计以及其它设计领域，大多数的系统都是由计算机辅助设计完成。
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