A < >强炉强> < / span >是一个外壳通过空气画或推,和它包含至少一个方法< a href = " //www.diesprinter.com/division-23-heating-ventilating-and-air-conditioning/item/590-23-41-00-particulate-air-filtration " target = " _self " > < / >过滤和加热空气。熔炉也可能有冷却空气的方法(或从空气中除去热量,从而使空气更凉爽)。炉子是常用的加热和冷却设备。< / p > < / div >