up-draught producer

例句：

1. 1. Theup-draft producer is used toremove dust and pollutants from theair.
   上通风管生产机用于从空气中去除灰尘和污染物。
2. 2. The up-draft producer isessential for maintaining clean air inindustrial environments.
   上通风管生产机对于保持工业环境中的清洁空气至关重要。
3. 3. Theup-draft producer is a popularchoice for those looking to improve indoor airquality.
   上通风管生产机是那些希望改善室内空气质量的人的热门选择。