您要查找的是不是：
- 气相色谱-EI质谱gas chromatography-elcctron impact mass spectrometry
- 气相色谱-质谱法测定动物性食品及生物材料中的克伦特罗残留Determination of clenbuterol residues in animal foods and biological materials by gas chromatographic-mass spectrometric method
- 气相色谱-质谱GC-MS
- 气相色谱/质谱GC/MS
- 气相色谱.质谱gas chromatography-mass spectrometry
- 气相色谱／质谱GC/MS
- 气相色谱质谱法GC-MS
- 气相色谱/质谱法GC - MS
- 气相色谱-质谱联Gas chromatograph-mass spectrometer
- 气相色谱.质谱法Gas chromatography(GC/MS)
- 气相色谱-质谱分析GC-MS
- 气相色谱／质谱法GC/MS
- 气相色谱-质谱联机gas chromatography-mass spectrometry
- 气相色谱/串联质谱gas chromatography-tandem mass spectrometry (GC-MS/MS)
- 气相色谱/质谱分析gas chromatography/mass spectrometry(GC/MS)
- 气相色谱-串联质谱GC - MS/MS
- 气相色谱-质谱技术GC-MS
- 气相色谱.质谱联用GC-MS
- 气相色谱，质谱法GC-MS
- 气相色谱/质谱联用GC/MS
