介绍了世贸天阶天幕扩声系统的设计理念与工程概况。
The concept and project status of design were introduced of ceiling curtain sound amplifying system for world trade building in Beijing.
介绍了世贸天阶天幕扩声系统的设计理念与工程概况。
The concept and project status of design were introduced of ceiling curtain sound amplifying system for world trade building in Beijing.
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