gas-type mass specctrometer

例句：

1. 1. The gas-type massspecctrometer was used to analyzethe chemical composition of the sample.
   使用气体型质谱仪分析样品的化学成分。
2. 2. Gas-type mass specctrometersare commonly used in environmental monitoring for detecting pollutants in the air.
   气体型质谱仪在环境监测中常用于检测空气中的污染物。
3. 3. The gas-type mass specctrometer is apowerful tool for identifying and quantifyingcomplex organic compounds.
   气体型质谱仪是识别和定量复杂有机化合物的强大工具。