专用制图室音视频系统整体升级，包含扩声系统、大屏显示系统、集中控制系统。
Overall upgrading of the AV system of the specialized drawing studio, including sound reinforcement, large-screen display and centralized control systems.
项目地点：上海市浦东新区。
Location: Pudong New Area, Shanghai.
学校专用制图室音视频系统整体升级，包含扩声系统及大屏显 示系统、集中控制系统等。
Overall upgrading of the AV system of the school's specialized drawing studio, including sound reinforcement, large-screen display and centralized control systems.