thermionic cathode热电子: thermoelectron; negative the ...阴极: negative pole; negative elec ...热离子阴极: hot cathode; thermionic cathode热离子阴极枪: thermionic cathode gun等离子阴极溅射: cathode sputtering下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:热电子阴极，即可在微信中查询翻译
