double-curved arch roof 双曲拱屋盖
double-curved arch bridge 双曲拱桥
double curved arch bridge 双曲拱桥
double curved arch bridges 双曲拱桥
masonry double-curved arch dam 浆砌石双曲拱坝
concrete double-curved arch dam 混凝土双曲拱坝
The principle of this paper is compatible with each kind of arch aqueducts, such as double-curved arch aqueduct, ribbed arch aqueduct, trussed arch aqueduct etc.
本文原理对双曲拱渡槽、肋拱渡槽和桁架拱渡槽等，都是适用的。
There are few research achievements about deformation and damage mechanism for double-arch tunnel with thickness-changing curved middle-wall at home and aboard.
目前，国内外对连拱变厚度曲中墙隧道施工过程中围岩和支护的变形及破坏机理的研究成果很少。
The curved concrete walls and floors arch up and outward, deriving their structural integrity from their shell-like double curvature.
弯曲的水泥墙和地板向外拱起，使双曲型的外壳结构得以完整。
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