04417086-n 'a thermionic tube having four electrodes';
 
汉语 四 极 真空管 , 四极管 , 四极真空管
英语 tetrode
Definitions
日语
4つの電極をもつ熱電子管
英语
a thermionic tube having four electrodes
Relations
Hypernym: tube
Semantic Field: artifactn
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