英语词汇lightning arrester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	lightning arrester
释义	lightning arrestern.（名词） A protective device for electrical equipment that reduces excessive voltage resulting from lightning to a safe level by grounding the discharge.避雷器：一种电器保护装置，利用将电流引入地下的作法使闪电引起的高电压减少到安全的程度
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