exhaust gas analyzer

例句：

1. 1. The exhaust gas analyzer was used to test the engine's efficiency.
   排气分析仪被用来测试发动机的效率。
2. 2.The engineer used the exhaust gas analyzer to identify the source of the emissions.
   工程师使用排气分析仪来识别排放物的来源。
3. 3.The exhaust gas analyzer detected a high level of carbon monoxide in the exhaust.
   排气分析仪检测到排气中高浓度的一氧化碳。