thermal cathodethermionic cathode热电子: thermoelectron; negative the ...阳极: positive pole; positive elec ...子阳: zi yang热电子: [电学] [半] thermoelectron; negative thermion; hot electron超热电子: superthermal electron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:热电子阳极，即可在微信中查询翻译
