The symmetrical bi-cylindrical structure is a closed shell composed by two unclosed arch shell.
该结构是由两个对称非闭合大弧度圆弧横截面柱壳对接而成的闭合柱壳结构（简称“双圆弧柱壳”）；
The invention relates to a novel corrugated arched sheet-reinforced concrete composite column surface arch shell structure, belonging to the technical field of structural engineering.
本发明涉及一种新型波纹拱板-钢筋混凝土组合柱面拱壳结构，属于结构工程技术领域。
Metal corrugated arch roof is a new kind of thin-shell structure and has a wide application.
金属拱型波纹屋顶是一种新的拱型薄壳结构，得到了较为广泛的应用。
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