Rear Projection-Ceiling Mount 背面投影吸顶形式
Select for ceiling mounted projection 选择吊装投影
Front Projection-Ceiling Mount 正面投影吸顶形式
In the multimedia room there is an expandable shelf with a projector sliding down from the ceiling and a movable projection screen right by the window acting also as a sun blind.
在多媒体室有可扩展的架子，带有从天花板滑下的投影，还有可移动投影屏，正好在窗户旁也能充当窗帘。
In addition to the ceiling, the walls can be in the projection.
除天花板以外，在墙壁上也能投影。
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