Electronics. Of a thermionic valve or discharge tube: (a) having had an inert gas introduced into it at the time of manufacture in order to…
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释义 | the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [adjective] > specific quality of valve (1) soft1897 Electronics. Of a thermionic valve or discharge tube: (a) having had an inert gas introduced into it at the time of manufacture in order to… |
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