automatic air tester

例句：

1. 1. The automatic air testerdetected the presence of harmful gases inthe room.
   自动空气测试仪在房间内检测到了有害气体的存在。
2. 2. Thetechnician used the automatic airtester to analyze the airquality in the factory.
   技术人员使用自动空气测试仪分析了工厂的空气质量。
3. 3. The automaticair tester was used to monitor theconcentration of pollutants in the atmosphere.
   自动空气测试仪被用来监测大气中污染物的浓度。