ventilation noise

例句：

1. 1. The new ventilation system significantly reduces the noise level in the office.
   新的通风系统显著降低了办公室的噪音水平。
2. 2.The construction site was noisy due to the heavy machinery used for ventilation.
   由于用于通风的重型机械的使用，施工现场很吵。
3. 3. The ventilation noise from the fans is a common problem in summer.
   风扇产生的通风噪声是夏天的一个常见问题。