A single shaft of daylight shown permeating through the centre of the building is intended as the only natural light source within the monument.
显示的单光束在作为纪念碑内唯一的自然光源，通过建筑中心渗入内部空间。
2
Going into the gearbox, universal joints connect the centre drive shaft to the internal bevel gears.
进入变速箱，万向节连接中心传动轴到内部锥齿轮。
3
It has strong rigidity and high locating accuracy, simultaneously, it can compensate the axial size error accused by the centre hole size of the shaft.