fire preventing and extinguishing technology

英 美
  • 防灭火技术
  • and conj.和;加;接着;那么
  • extinguishing n.熄灭动词extinguish现在分词形式.
  • fire n.火;失火;炉火;开火;热情v.开火;解雇;点燃;急速地连续说
  • preventing v.预防;防止,阻止;挡住
  • technology n.技术;工艺;工艺学