These fires create convection funnels, and throw a lot of particles into the upper atmosphere.这些火焰造成了对流漏斗，把许多微粒抛向上层大气。Convection can be of two types: natural convection and forced convection.对流可分为两类, 即 自然对流和强制对流.One of t...
These fires create convection funnels, and throw a lot of particles into the upper atmosphere.这些火焰造成了对流漏斗，把许多微粒抛向上层大气。Convection can be of two types: natural convection and forced convection.对流可分为两类, 即 自然对流和强制对流.Conducti...