“electron tube”的概念、定义、翻译、参考文献-科学参考

单词	electron tube
释义	electron tube Encyclopedia 工学电子元器件与制备技术释 electron tube电子管一般情况下的真空电子器件。
随便看	palm-leaves fan dance palm oil palmoplantar keratoderma palmprint recognition Palm Sunday palm thrips palm-twisting manipulation Palo Alto group Palomares nuclear weapon accident Palomar Green survey Palomar-Haro-Luyten Catalogue of Blue Stellar Objects Palomar Observatory Palomar Observatory Sky Survey Palomar Sky Survey palpal claw palpal organ palpal receptor palpal seta palpal tarsus palpation palpation of hands and feet palpation of the abdomen palpation of the acupoints palpation of the cardiac apex area palpation of the chest

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