短語(yǔ)詞組短語(yǔ)thermionic relay [電]熱離子繼電器;熱電子繼電器thermionic voltmeter 熱離子管伏特計(jì);熱離子電壓計(jì)thermionic valves 熱離子真空管;熱游離閥;熱陰極電子管Thermionic Losses 熱游離損失rectifier thermionic 熱離子整流器discharge thermionic 熱離子放電thermionic noise 熱離子噪聲emission thermionic 熱離子發(fā)射Thermionic tubes 熱離子管 返回 thermionic