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。
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。
The outline of the masonry arch dam is double-curved, the dam body is impervious, the crest spillway is built of slotted-type bucket and the mid-discharge orifice is slit-type bucket.
模型试验和实际运行表明，浆砌石拱坝体型、坝体防渗及泄水建筑物等设计是成功的。
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