【机械工程】喷射管柳叶刀【生活】喷管吹氧枪

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 distorsion

jet-pipe for extinguishing-powder

jet-nozzle distorsion, jet-pipe distorsion

jet-pipe

jet-pipe for extinguishing-foam