It includes wireless audio-video conferencing system, Internet access, as well as stage sound and lighting.

酒店提供无线视听会议系统，互联网接入端口以及舞台，声控和灯光。

youdao

It includes wireless audio-video conferencing system, Internet access, as well as stage sound and lighting.

酒店提供无线视听会议系统，互联网接入端口以及舞台，声控和灯光。

youdao