delineascope
... delimiter 限制器 delineascope 投射灯(幻灯),映画器 deliquescence 潮解(作用),溶解 ...
projection lamp
... projection kinescope 投影式显像管 projection lamp 投射灯 projection lens 聚光透镜 ...
projector lamp
... printing lamp印刷用灯, 晒象用灯 projector lamp投射灯, 幻灯, 放影灯 projector-type filament lamp集光型白炽灯 ...
Spotlight
... 泛光灯 Flood light 投射灯 Spotlight 隧道灯 Tunnel Li.. ...