fuel cell detector

例句：

1. 1. The fuel cell detector is used to detect the presence of hydrogen gas in the air.
   燃料电池检测器用于检测空气中氢气的存在。
2. 2. The fuel cell detector was developed by a team of engineers who were working on a new energy technology.
   燃料电池检测器是由一支致力于新型能源技术研究的工程师团队开发的。
3. 3. The fuel cell detector has proven to be an effective tool for monitoring environmental contaminants.
   燃料电池检测器已被证明是一种有效的监测环境污染物的工具。