Click to edit Master text stylesSecond levelThird levelFourth levelClick to edit Master title styleLesson 6. Fixed Contour 固定轴曲面轮廓铣目的:本课讲述固定轴曲面轮廓铣功能目标:完成本节课程后能够:掌握固定轴曲面轮廓铣概念和术语用区域铣削(Are