This is a structure which was built 10 years ago in Holiday Inn Hotel,Beijing.
It is an double layerd air-supported structure and is standing very well till now.
It is worth to have a visit if you really want to make a new one.作者:
erhe 时间: 2005-7-25 18:47 标题: 回复: (寻求帮助)充气膜几点问题
inner view
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