basket-handle arch or three-centered arch
... 半圆拱 Round arch or Semi-circular arch 三心拱 basket-handle arch or three-centered arch 等边尖拱 Equilateral pointed arch ...
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basket-handle arch or three-centered arch
篮柄拱或三心拱
以上为机器翻译结果，长、整句建议使用 人工翻译 。