infra-red thermograph

例句：

1. 1.The engineer used an infra-red thermograph to detect the leak in the pipeline.
   工程师使用红外热像仪检测管道中的泄漏。
2. 2. The infra-red thermograph captured the heat signatures of the fire.
   红外热像仪捕捉到了火灾的热迹线。
3. 3.The infra-red thermograph helped the technician locate the faulty component.
   红外热像仪帮助技师定位了故障部件。