電子管

diànzǐguǎn

A electronic device which is in a sealed enclosure, either highly evacuated or containing a controlled quantity of gas, in which electrons can be sent, collected and controlled by electrodes. It can be used for commutation, detection, amplification, launch, etc.

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dian4 zi3 guan3

valve (electronics), vacuum tube

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電子管|电子管 [diàn zǐ guǎn] ► valve (electronics) ► vacuum tube