英语词汇over and-under 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	over and-under relay
释义	over and-under relay 简明释义过和低继电器网络释义 1 ?过和低继电器 ... over all 全部的 over and-under relay 过和低继电器 over bending 过度弯曲 ... 短语 1 under and over voltage relay 过不足电圧継电器双语例句 1 WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions. WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
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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。