Its characteristic features include the pointed arch, the ribbed vault and the flying buttress.

其特点包括指出,拱, 肋跳马和飞行支墩.

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In this paper, lightweight light - expansion concrete is applied to the strengthening of arch bridges.

将自行研究配制的轻质 微 膨胀混凝土应用于拱肋的加固.

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Arch rib is the key point during the process of the long - span concrete - tube arch bridge construction.

主拱肋施工是大跨度钢管混凝土拱桥施工的关键环节.

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