直读式分析器directreading: 直接读出directreading instrument: 直读式仪器directreading spectrograph: 直读光谱仪directreading spectrometer: 直读光谱议; 直读式争光计directreading type emission spctrograph: 直读式发射光谱仪下载手机词典可随时随地查词查翻译