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编辑同志:最近,我们从报刊上得知北京西山灭火器厂生产出了两种较为先进的手投式干粉灭火器,请问:该类产品与以往的干粉灭火弹有什么不同?湖北读者鄂仁一、引发装置不同。手投式干粉灭火器由微型安全动力装置、干粉灭火剂、纸壳等组成。微型动力装置是一只像大拇指
Editorial Comrades: Recently, we learned from the press that Beijing Xishan Fire Extinguisher Factory produced two more advanced hand-held dry powder fire extinguishers, what is the difference between these products and the previous dry powder fire extinguishers? Different starting device. Hand cast dry powder fire extinguisher by the micro-safety power plant, dry powder fire extinguisher, paper shell and other components. Micro-power device is like a thumb