speech-amplifying mutually talking telephone
电话发射
telephone emission【通信】
暂无补充释义。
相关词条
fire reporting telephone【安全】 通信;fire telephone【安全】 通信
SPC telephone exchange
computerized telephone
longitudinal-crossbar auto-telephone exchange
cabinets or call-boxes [= small buildings] for TELEPHONE(S)
telephone set number of the called subscriber
notebook, diary, telephone directory, dictionary