oxygenousadj.氧气的；含氧的；产生氧气的oxygenn.氧；氧气oxygenated heme pigments氧化正铁血红素oxygen regeneration unit氧气再生装置oxygen producing machine制氧机oxygen electro reduction氧电还原oxygen increased reaction增氧反应oxygen-free carrier gas无氧载气Oxygen sensitive ceramics氧敏陶瓷oxygen-cent red radical氧游离基oxygen boosting of engine氧气强化oxygen-flask combustion氧瓶燃烧