bellows manometer

例句：

1. 1. The bellows manometer was used to measure the air pressure in the room.
   风箱压力计被用来测量房间里的气压。
2. 2. The bellows manometer was used to monitor the temperature of the exhaust gases.
   风箱压力计被用来监测废气的温度。
3. 3. The bellows manometer was used to adjust the airflow in the ventilation system.
   风箱压力计被用来调整通风系统的气流。