第三步：从底座方向上再取下螺丝
在更换电源之前，我们必须从望远镜上取下一个用四个螺丝固定的扶手。
Before we could replace the power supply, we would have to remove from the telescope a handrail fixed with four screws.
打开绞丝盖后，我们现在取下绞丝下面用来固定的螺丝。
With the hinge cover removed, we now remove the screw right under the hinge.
应用推荐