上部结构的建筑高度为3英尺6英寸，有19英尺8英寸显著的上拱度。
The superstructure has a depth of 3 ft. 6 in. with a marked camber of 19 ft. 8 in.
为保证列车行驶的平稳和安全性，高速铁路桥梁的上拱度有十分严格的限值。
To ensure the stableness and security of the train, the high speed railway's bridge camber must be extremely limited.
本文论述起重机主梁的上拱度及预拱曲线的基本原理，介绍了国内外起重机技术标准中规定的上拱度值。
This paper discusses the question of crane main girder camber and the pre-cambering curve, introducing camber values stipulated in related crane standards in China and abroad.
这种大型特种设备建造施工难度大，特别是主梁的上拱度控制、大型箱体结构的变形控制都较一般结构难度大。
As a type of special equipment, the construction of large-scale cranes is very difficult, especially the main beam camber control and the deformation control.
这种大型特种设备建造施工难度大，特别是主梁的上拱度控制、大型箱体结构的变形控制都较一般结构难度大。
As a type of special equipment, the construction of large-scale cranes is very difficult, especially the main beam camber control and the deformation control.
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