英语词汇directly heated cathode怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	directly heated cathode
释义	directly heated cathode 简明释义直热式阴极：直接受热的阴极，通过加热阴极来释放电子。网络释义短语 1 directly heated cathode 直热式阴极 ; 灯丝双语例句 1 Tube triode with directly or indirectly heated cathode. 具有直接或间接加热的阴极的电子管三极管。 2 Tube tetrode with directly or indirectly heated cathode. 具有直接或间接加热的阴极的电子管四极管。 3 Tube pentode with directly or indirectly heated cathode. 具有直接或间接加热的阴极的电子管五极管。
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