联用仪器(THE GC/S PROCESS ) 88580 Sample Gas Chromatograph(GC) Mass Spectrometer(MS) A B D Sample Separation Identification 联用仪器（ THE GC/MS PROCESS ） Sample Sample 5890 1.0 DEG/MI N HEWLETT PACKARD HEWLET PACKAR T D 5972A M ass Selective Detector D C B A A B C D Gas Chromatograph (GC) Mass Spectrometer (MS) Separation Identification B A C D