Orsat gas analyzer

例句：

1. 1.The Orsat gas analyzer was used to measure the concentration of oxygen in the air.
   氧气分析仪被用来测量空气中氧气的浓度。
2. 2.The engineer used the Orsat gas analyzer to detect any leaks in the pipeline.
   工程师使用氧气分析仪检测管道中的任何泄漏。
3. 3. The Orsat gas analyzer is a crucial tool for monitoring industrial processes.
   氧气分析仪是监测工业过程的关键工具。