cupola blower

例句：

1. 1.The cupola blower is used to ventilate the air in the mine.
   风帽鼓风机用于矿井内通风。
2. 2. The cupola blower is essential for maintaining a safe working environment.
   风帽鼓风机对于保持一个安全的工作环境至关重要。
3. 3. During construction, the cupola blower helps to remove dust and other contaminants from the air.
   在施工期间，风帽鼓风机有助于将灰尘和其他污染物从空气中清除。