Work principle of compressed airfoamsystems, characteristics of produced foam and extinguish principle, the classification of the foam and application prospects are introduced.
介绍了压缩空气泡沫系统的工作原理，所产生泡沫的特点和灭火原理，该类泡沫的分类及其应用前景。
2
In some systems, foam at the surface may not cause a lot of damage, but the presence of a foam layer normally indicates extensive air entrainment.