【摘要】 该文介绍了作者设计开发的大功率发动机活塞CAD系统，讨论了有关开发方法与原则。利用面向对象技术开发的这一系统、不仅便于维护、修改、扩充，而且具有良好的可靠性。更多还原

【Abstract】 This paper introduces the piston CAD system developed by authors for high-power diesel engines, and discusses some methods and prinsiple of development. By objest-oriented technology, the system not only is easy to maintain, modify and expend but also has goodreliability.更多还原