机械设计课程设计 单级蜗杆减速器： 蜗杆基本数据的运算 为根据运算结果设计的二维CAXA图纸 由设计好的二维绘出三维SolidWorks图 （非原创）-Mechanical design curriculum design single-stage worm reducer: worm basic data operations CAXA drawing two-dimensional design based on the result of the operation d