Have your model put their weight on their back foot which naturally causes the back shoulder to dip lower in the composition making your model more relaxed.
重心放在后脚上，会让后面的肩膀稍微下沉一些，会让你的模特看起来更自然。
2
The system is made up of the measurement of axial weight, wheel weight, dip angle, center-of-mass position and so on.
该系统由测量轴重、轮重、侧倾稳定角、质心位置和驻坡度等功能软件组成。
3
Counter weight piece is grey iron, painted, the other parts are hot-dip galvanized steel.