main exchange line的意思|示意
美 / /
英 / /
main exchange line的网络常见释义
总机线 ... 直达线direct line 总机线main exchange line 中继线trunk line ...
main exchange line相关例句
This term is synonymous with the term main station or Direct Exchange Line (DEL) which are commonly used in telecommunication documents.
这个术语与通信文献中常见的主站或直拨交换线(DEL)是同义的。