| 1. | For example , heating of the air could be a duct mounted hot water coil , duct mounted electric elements , duct mounted gas fired burner , reverse cycle air conditioning unit , room mounted panel radiator etc 例如,空气加热的方式有:通过热水盘管风管送风,电加热风管送风,燃油锅炉取暖风管送风,制冷逆循环机组制热,地板辐射采暖,等等。 |