PA System, music, setup and breakdown are provided.
PA系统，音乐，安装和故障被提供。
Indoor Outdoor as School, Bus Station, District, Park etc required PA System.
学校、车站、小区、公园等需要公共广播播音的室内外场所。
The new version of the iPhone operating system is expected to launch soon. Photo: pa.
图：新版本的iPhone操作系统预计将很快推出。
The new version of the iPhone operating system is expected to launch soon. Photo: pa.
图：新版本的iPhone操作系统预计将很快推出。
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