There is a switch board (control panel, distribution box) mounted on the wall.
There is a switch board (control panel, distribution box) mounted on the wall.
在墙上装有一个开关板（控制盘、配电箱）。
There is a switch board (control panel, distribution box) mounted on the wall.
在墙上装有一个开关板（控制盘、配电箱）。