?照度计

...照度计 actionometer; foot candle meter; footcandle meter; illuminance (lux or foot candle)meter; illuminance meters; illuminating meter; illumination hpotometer; illumination meter; illumination photometer (= illuminometer); illuminomenter; illuminometer (= illumination photometer); illuminoneter; light intensity meter; light meter, lumeter; light-intensity meter; lightermeter; lightmeter; lumenmeter; lux (o)meter; lux gauge; lux meter; luxmeter; luxometer..