英语词汇extra-high voltage怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	extra-high voltage
释义	ex·tra-high voltage AHD[ĕkʹstrə-hī'] D.J.[ˈekstrəˌhaɪ]K.K.[ˈɛkstrəˌhaɪ]n.（名词）abbr. EHV【缩写】 A voltage higher than 345 kilovolts.超高压：高于345千伏的电压
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