英国一家公司最近推出一种袖珍防火器,体积只有明信片大,厚度约2厘米,内有一枚烟雾报警器,一个微型防烟雾面罩和一架全自动呼救机。游客就寝前,将防火器挂在房门上,如发生火灾,烟雾报警器即会铃声大作,唤醒可能熟睡的主人。面罩为折叠式,戴上后可抵御烟雾至少10分钟,赢得宝贵时间以利逃生。与此同时,自动 A UK based company recently introduced a pocket fire extinguisher, large in postcard size and about 2 cm thick, with a smoke alarm, a miniature smoke mask and an automatic help-bass machine. Tourists before going to bed, will be hung on fire in the door, in case of fire, smoke alarm that will ring the masterpiece, awake may sleep asleep master. The mask is foldable to withstand smoke for at least 10 minutes and gain valuable time to escape. At the same time, automatically