英语词汇discharge tube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	discharge tube
释义	discharge tuben.（名词） A closed insulating vessel containing a gas at low pressure through which an electric current flows when sufficient voltage is applied to its electrodes.放电管：装有低压气体的封闭绝缘容器，当电极有足够的电压时，通过它电流就开始流动
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