电信英语翻译 [Telecommunication Service]

按键号码式 push button type
暗语 code language
报关单 declaration en douane
报税单 customs declaration
备用发报机 auxiliary transmitter
本人不在 addressee absent
本人拒收 refused by addressee
比率臂 ratio arm
并无此号 no such number
拨号 to dial
拨号盘 dial
拨号声 dial tone
不挂断 to hold the line
步进制 step-by-step system
部分加急 partially urgent
查号台 directory information desk
拆线 to disconnect
常用电话号码表 frequently called number
长波发报机 long-wave transmitter
长途电报 express telegram