心電分析器eca: ECA =Economic Commission for ...eca: ECA =Economic Commission for Africa (of UN) (聯(lián)合國)非洲經(jīng)濟委員會。 ea-eca: 取引協(xié)會eca in a nutshell: 非洲經(jīng)委會簡況eca today: 今日非洲經(jīng)委會下載手機詞典可隨時隨地查詞查翻譯