1、[建]半圆拱
...semicircular ducts 半规管:膜迷路中的长...semicircular line 半环线semicircular arch 半圆拱 ...
2、半圆券
... 半球形穹顶||semispherical dome 半圆券||semicircular arch 半圆形壁龛||apse ...
3、半圆拱
...semicircular ducts 半规管:膜迷路中的长...semicircular line 半环线semicircular arch 半圆拱 ...