英语词汇“discharge tube”是什么意思，“discharge tube”的读音、用法及例句翻译-烛光网

词汇	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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