pressure recorder

例句：

1. 1. The pressurerecorder showed that the air pressure haddropped significantly.
   压力记录器显示空气压力已经显著下降。
2. 2. The engineer used a pressurerecorder to monitor the pressure changes inthe pipeline.
   工程师使用压力记录器来监测管道中的压力变化。
3. 3. Thepressure recorder was crucialin determining the cause of theexplosion.
   压力记录器在确定爆炸原因中至关重要。