carbon-oxygenCOCA¹⁸⁷⁶²³ 例句 During the ozone oxidation process of furnace black, the carbon- oxygen single bond can be formed mainly, but further oxidation to the carbon-oxygen double bond is very difficult. 炉法炭黑表面臭氧化过程中主要生成的是表面碳氧单键结构,进一步氧化为双键的程度很低。 cnki