干粉灭人器是用二氧化碳或氮气作动力喷射的灭火器材，具有高效低毒绝缘件好，对金属无腐蚀作用，灭火后不留痕迹等特点。是目前火灾十战使川做为传遍的利。火火状村。那么、如何时r粉火火状进行维护和保养，的保见性能良好‘Z－。、卜粉火火熏应放资分通风。I焕、明凉外取用人 Dry powder extinguishers are fire extinguishing equipment that uses carbon dioxide or nitrogen as the power injection. They have high efficiency and low toxicity insulating parts, no corrosion to metals, and no traces after extinguishing. It is the tenth battle of the current fire that has made Sichuan a success. Fire-like village. So, how to maintain and maintain when the powder is inflammable? , Bu powder fire smoke should be allocated points for ventilation. I Hwan and Ming Liang outside the use of people