By comparing with synthesized high position fire extinguish at puring,found that extinguishing fire by puring gum the result are economic profits are all better than preventing fire by water.

  • 在抽冒高顶处进行防灭火综合比较表明:注凝胶防火无论是在灭火效果还是在经济效益上都优于注水防火。
目录 查词历史