gas flame thermopile

例句：

1. 1. The gas flame thermocouple is used to measure the temperature of the furnace.
   气体火焰热电偶用于测量炉温。
2. 2.The gas flame thermocouple is an important tool for measuring temperature in industrial processes.
   气体火焰热电偶是工业过程中测量温度的重要工具。
3. 3.The gas flame thermocouple is used to detect the presence of a leak in a pipeline.
   气体火焰热电偶用于检测管道中的泄漏。