新风系统 xīnfēngxìtǒng fresh air system Definitions Defs Origin Strokes Stroke Words Sentences Sents 新风系统 新風系統 xīnfēngxìtǒng fresh air system a ventilation system that draws in outdoor air, filters and purifies it, and circulates it throughout a building
新风系统 新風系統 xīnfēngxìtǒng fresh air system a ventilation system that draws in outdoor air, filters and purifies it, and circulates it throughout a building
