hot cathode magnetron ionization gauge

例句：

1. 1.The hot cathode magnetron ionization gauge is used to measure the concentration of pollutants in the air.
   热阴极磁控管离子化计用于测量空气中污染物的浓度。
2. 2. The hot cathode magnetron ionization gauge was developed to improve the accuracy of air quality monitoring.
   热阴极磁控管离子化计的开发旨在提高空气质量监测的准确性。
3. 3. The hot cathode magnetron ionization gauge is a crucial tool for environmental scientists in their research on air pollution.
   热阴极磁控管离子化计是环境科学家研究空气污染问题时不可或缺的工具。