短語詞組短語oxygen n cycle 氧的循環(huán);氧循環(huán)hydrogen and oxygen combined cycle 氫氧聯(lián)郃循環(huán)hydrogen and oxygen hybrid cycle 氫Chapman 's oxygen-cycle 查普曼氧循環(huán)carbon oxygen cycle 碳Closed oxygen cycle 閉郃氧循環(huán)rogen -oxygen cycle 碳氮氧循環(huán)reactive oxygen cycle 性氧循環(huán)carbon -hydrogen-oxygen cycle 碳?xì)溲醐h(huán) 返回 oxygen cycle