该电视墙最上部为信息条滚动屏，后部有高速外排风机组，保证内部空气对流通畅，使内部设备具有良好的工作环境。

The TV wall in the upper bar rolling screen for information, the back has a high-speed outside the wind unit, ensure that the internal air convection unobstructed, make internal equipment has a good working environment.