内部电话系统 meaning in Chinese
interphone system
Examples
- The success of system study has made it possible to launch researches on vi following topic : audio / video system based on the transmission over low - voltage power distribution networks , for example , internal telephone system or picture intercom system
系统的研制成功使得将来有可能在如下课题开展研究：基于低压配电网传输的音视频系统，如内部电话系统或可视对讲系统。