gas chromatograph-mass spectrometer (GC-MS)

gas chromatograph-mass spectrometer (GC-MS)是什么意思、gas chromatograph-mass spectrometer (GC-MS)怎么读
【化】 气质联用仪; 气相色谱质谱联用仪

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【化】 气质联用仪; 气相色谱质谱联用仪