pressure controlled ventilation

例句：

1. 1. Pressure control systems are used in hospitals to monitor and regulate air pressure.
   在医院中，压力控制系统用于监测和调节空气压力。
2. 2. The new ventilation system uses a pressure-controlled valve to ensure proper airflow.
   新的通风系统使用一个压力控制的阀门来确保适当的空气流动。
3. 3. The hospital's ventilation system is designed to maintain a consistent pressure throughout the facility.
   医院的通风系统设计为在整个设施内保持一致的压力。