短語詞組短語4460 direct -reading spectrometer 直讀光譜儀OBLF Direct -Reading Spectrometer OBLF直讀光譜儀optical direct -reading spectrometer 光電直讀光譜儀photoelectricity direct -reading spectrometer 光電直讀光譜儀direct -reading molecular absorption spectrometer [分化]直讀式分子吸收光譜儀arc -spark direct reading spectrometer 電弧;火花直讀式光譜儀 返回 direct-reading spectrometer