英语词汇three-step distance relay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	three-step distance relay
释义	three-step distance relay 简明释义三段距离保护装置网络释义 1 ?三段距离保护装置三段距离保护装置
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。