multi-nozzle lance 多孔喷枪

nozzle of oxygen lance 氧枪喷孔

oxygen lance nozzle 氧枪喷头

lance nozzle 氧枪喷头

cyclone-lance nozzle 旋流氧枪喷头

cyclone oxygen-lance nozzle 旋流氧枪喷头

spray nozzle of oxygen lance 氧枪喷头

pure-copper oxygen lance nozzle 纯铜氧枪喷头

pure copper oxygen lance nozzle 纯铜氧枪喷头