单词	projection light source
释义	projection light source 投影光源
随便看	illumination at low powers illumination at night illumination beam illumination by means of liquid fuels illumination by means of solid fuels illumination calculation illumination calibration illumination chain illumination change illumination changing illumination characteristic illumination classification illumination climate illumination climater illumination compensation illumination component illumination condition illumination cone illumination consistent illumination contral illumination control illumination correction illumination culture illumination current illumination curve