基本解释[经济学]催化臭氧转换器英汉例句权威例句For example, the catalytic converter reduced the ozone.NPR: Study Says Ethanol Pollution Could Rival Gascatalytic ozone converter更多例句词组短语短语catalytic c ozone converter 催化臭氧转换器catalytic ozone converter更多词组专业释义经济学催化臭氧转换器