infrared ectrometric analyzerinfrared spectrometric analyzer谱: table; chart; register分析: analyse仪: appearance; bearing红外光谱分析: infrared ectroscopic analysis; infrared ectroscopicanalysis; infrared spectroscopy; ir spectroscopy光谱分析仪: optical spectrum analyzers; spectroanalysis instrument; spectrograph; spectrometer; spectrum analyzer下载手机词典可随时随地查词查翻译