众听周知,由于泡沫的窒熄作用能够切断正在燃烧燃料的空气补充并起冷却作用,通常使用泡沫来处理地下火灾。除此以外,当地下坑道顶板较低,在水的喷射范围以内时,实际上也用水来灭火,起同样的阻断空气的作用。泡沫幕灭火方法也是消防队常用的方法,用泡沫幕隔绝有毒气体和烟雾。 It is well-known that foam can be used to cut off the air that is burning fuel from replenishing and cooling because of foam quenching. Foam is usually used to handle underground fires. In addition, the local underground tunnel roof lower, within the water jet range, in fact, water fire, play the same role in blocking the air. Foam fire fighting methods are also commonly used methods of fire brigade, with a foam curtain isolated from toxic gases and fumes.