common emitter junction phototransistorcommon-emitter junction phototransistor共发射极: common-emitter结: p-n junction型: mould; model光电: photoelectricity晶体管: transistor; crystal valve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:共发射极结型光电晶体管，即可在微信中查询翻译
