2014年6月6日
Introduction to Machinery Principles
摘要： Rotational motion, Newton's law, and Power relationshipsOne dimensional linear velocity along a line is defined as the rate of change of the displacement along the line(r) with respect to time.线速度： ... 阅读全文
posted @ 2014-06-06 11:10 Derek Luo 阅读(318) 评论(0) 推荐(0)