【摘要】 正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得。因此,正圆柱螺旋面的展开可以在正圆柱螺旋面展开图的基础上截取对应的素线获得。更多还原

【Abstract】 The ortho cone helicoid was used interrsect intercept by the ortho cone helicoid and the cylinder. Development of the ortho cone helicoid can intercopt crla-tive element of face to obtain in the fundamental of develop of the ortho helicoid更多还原