电话交换 meaning in English
exchange
telephone switching
Examples
- Replacement of pabx system at wu chung house
更换胡忠大厦的专用自动电话交换系统 - A local information , pay - per - call phone exchange
本地信息，按电话付费的电话交换。 - There are almost 1 0 million telephone exchange lines
全市差不多有1000万条电话交换线 - Technical requirements for toll manual switching equipment
长途人工电话交换设备.技术要求 - A . b . strowger invents the telephone switch , dial telephone
史端乔发明自动电话交换系统。