英语词汇“兩極真空管”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	兩極真空管
释义	兩極真空管 liǎng jí zhēn kōng guǎn具有一个阴极和一个阳极的真空管。将电压加在两极上时，阳极必须是正电位，阴极才会放出热电子，导通电流。可作为整流器及检波器。
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