单词	air-backed quartz
释义	air-backed quartz 背面有气孔的石英
随便看	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 illumination degree