flue gas analyzer

例句：

1. 1.The flue gas analyzer is used to measure the concentration of harmful gases in industrial exhaust.
   烟道气分析仪用于测量工业废气中有害气体的浓度。
2. 2.The flue gas analyzer was used to detect the presence of carbon monoxide in the exhaust.
   烟道气分析仪被用来检测废气中一氧化碳的存在。
3. 3. The flue gas analyzer was crucial in identifying the source of the pollution problem.
   烟道气分析仪在确定污染源问题中起到了关键作用。