Its role is to support a bridge structure, reaction forces transfer to the pier, and to ensure that the bridge span structure under load to meet the design requirements of the deformation.
它的作用是将桥跨结构的支承反力传递给墩台，并保证桥跨结构在荷载作用下能满足设计要求的变形。
Its role is to support a bridge structure, reaction forces transfer to the pier, and to ensure that the bridge span structure under load to meet the design requirements of the deformation.
它的作用是将桥跨结构的支承反力传递给墩台，并保证桥跨结构在荷载作用下能满足设计要求的变形。
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