... box projector 箱式放映机; 箱式幻灯 cargo projector 装卸货用探照灯 ceiling projector 云幂灯; 云幕灯 ...
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ceiling projector light 天棚投光灯
The Ceiling Projector 顶棚投影器
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以上来源于: WordNet
This is in stark contrast to existing technology which requires the projector to be placed much further away - usually with the help of a large stand or ceiling installation.
BBC: CES 2013: Enormous TVs clamour for attention
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