小区配备管道纯净水,可视对讲系统。
The district allocate pipeline pure water, can look at system of talkbacking.
第三部分阐述的是可视对讲系统的设计。
该文涉及的就是智能楼宇可视对讲系统研究的一个课题。
This article is a topic about research on the visual-speaking system for intelligent building.
该文涉及的就是智能楼宇可视对讲系统研究的一个课题。
This article is a topic about research on the visual-speaking system for intelligent building.
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