Distribution box and switch box should be arranged in dry and ventilated place.
配电箱与开关箱必须安装在干燥，通风的场所。
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）。
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