flue gas boiler

例句：

1. 1. The flue gas boiler is used to generate electricity from the waste heat of the combustion process.
   烟道气锅炉用于从燃烧过程的废热中产生电力。
2. 2.The flue gas boiler is an essential part of the industrial furnace system.
   烟道气锅炉是工业炉系统的重要组成部分。
3. 3.The flue gas boiler has been widely used in power plants and other industrial facilities due to its energy-saving and emission reduction advantages.
   由于其节能和减排优势，烟道气锅炉在电厂和其他工业设施中得到了广泛应用。