The wheel head can be orientated in double axes so that any spiral Angle and back Angle may be adjusted rapidly.
该机床磨头可以又轴定位，任何螺旋角和后角均可快速调整。
2
In this image, I made sure to align the head of my subject within the spiral and placed the left eye approximately over the sweet spot.
这张照片中，我把模特的头放在螺旋线上，而让他的左眼位于节点上。
3
The transepicondylar axis of different position has no effect on volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.