fire extinguisher dry chemical detail 灭火器干粉

dry chemical fire extinguisher 化学干式灭火器 ; 粉式灭火筒

stored-pressure dry chemical fire extinguisher 贮压式干粉灭火器

ordinary dry chemical fire extinguisher 普通干粉灭火器

multi-purpose dry chemical fire extinguisher 通用干粉灭火器

cartridge-operated dry chemical fire extinguisher 贮气瓶式干粉灭火器

purpose dry chemical fire extinguisher 通用干粉灭火器

operated dry chemical fire extinguisher 贮气瓶式干粉灭火器

dry-chemical fire extinguisher 干箱法