projectorn.放映机;探照灯;计划者;投影线
projector type unit heater投射式单位散热器
projector display technology投影显示技术
projector-type filament lamp集光型白炽灯,投射式白炽灯
Projector Drawing Board for Kids孩子用的放映机绘图板
projector-type tachistoscope for group use集体检查用投影式速示仪