flue gas analysis

例句：

1. 1. The flue gas analysis is essential for the environmental protection of the city.
   烟气分析对于城市的环境保护至关重要。
2. 2. The company conducted a flue gas analysis to determine the source of the pollution.
   该公司进行了烟气分析，以确定污染源。
3. 3.The flue gas analysis results showed that the emissions were within the acceptable limits.
   烟气分析结果显示排放量在可接受范围内。