Particulate suspended in kiln plays a very important role in radiant heat transfer. 窑内悬浮颗粒对辐射换热起着很重要的作用。
The current stratospheric residues in the suspended particles have far exceeded the troposphere, which seriously pollute the stratosphere. 目前平流层中残留的悬浮颗粒已远远超过对流层，这严重污染了平流层。
