露梁平顶;
The construction technology of large_span combined_type composite box net beam ceiling is successfully applied in new school district library project of Weifang Medical College.
潍坊医学院新校区图书馆工程,成功地应用了大跨度组合式叠合箱网梁楼盖施工技术。
Its beam pointed at the white ceiling.
它的光对着雪白的天花板.
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