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单词
discharge tube
释义
discharge tube
n.
(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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更新时间:2026/4/9 0:14:24