oxygen resource的用法和樣例：
例句
- MOEA applied to medical health care,is smaller?sized,more easily operated,safer and more economical than other sources of oxygen supply.
膜法富氧用於醫療保健比其它氧源體積小，操作簡單，安全和經濟。 - Recent research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed.
評述了以分子氧和雙氧水為氧源的丙烯環氧化催化劑體系的最新研究進展。
