英语词汇protection ratio against lightning impulse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	protection ratio against lightning impulse
释义	protection ratio against lightning impulse 简明释义雷电冲击波保护比网络释义 1 ?雷电冲击波保护比定义中文名称：雷电冲击波保护比英文名称：protection ratio against lightning impulse 定义：保护装置的雷电冲击保护水平与被保护设备的额定雷电冲击耐受电压之比。应用学科：电力（一级学科）；高电压技术（二级学科）以上内容由全国科学技术名词
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