round arch dam 圆弧拱坝
a round arch 半圆拱
half-round arch 半圆拱
Round arch or Semi-circular arch 半圆拱
Arch Round bar 水曲圆棒
round horseshoe arch 圆马蹄形拱
It is the graft of the pointed upon the round arch.
这是尖拱式样嫁接于开阔一种风格。
Free-flow tunnel used more round arch straight wall form cross-section.
无压隧洞多采用圆拱直墙形断面。
There was a revival of ancient Roman forms, including the column and round arch, the tunnel vault, and the dome.
复兴古罗马的形式,包括廊柱和圆拱,地道的拱顶以及圆屋顶。
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