【生活】灭火粉末喷射管

jet-pipe distorsion, jet-nozzle distorsion, jet-propulsion plant

device for attaching jet-pipe to ladders, poles, towers for fire-fighting

jet-pipe for extinguishing-gas

jet-pipe lance

jet-pipe distorsion

jet-nozzle distorsion, jet-pipe distorsion

jet-pipe

jet-pipe for extinguishing-foam