masonry double-curved arch dam 浆砌石双曲拱坝
concrete double-curved arch dam 混凝土双曲拱坝
parabolic double-curved arch dam 抛物线双曲拱坝
Jiangpinghe Double-Curved Arch Dam 江坪河拱坝
logarithmic spiral double-curved arch dam 对数螺旋线型双曲拱坝
parabolic variable-thickness double-curved arch dam 抛物线型变厚双曲拱坝
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