| 单词 | 低压气体 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔discharge tube〕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美国传统〔vacuum〕Containing air or other gas at a reduced pressure.低压气体的：在减弱的压强之下含有空气和其他气体的美国传统 |
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