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Qingdao World Horticultural Exposition Garden of the West Coast District of Zhanqiao (steel beam column are box section)

Qingdao World Horticultural Exposition Garden of the West Coast District of Zhanqiao (steel beam column are box section)

Copyright: Qingdao Jinmaoyuan Steel Structure Engineering Co., Ltd. Technical support: Qingdao Network Technology Co.

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