䃠

* 拼音xuàn。 * 拱券， 建筑物成弧形的部分。 * 用钢筋混凝土制成的拱形支架。 * 用砖、 石等材料砌成的建筑物的弧形部分

(translated) arch vault; the arc-shaped part of a building; arch-shaped support made of reinforced concrete; the arc-shaped part of a building built with brick, stone, etc