Arch - Keyhole Drawings & Dimensions

A keyhole arch is a type of architectural arch that is shaped like a keyhole. It is characterized by a narrow opening at the top that widens out at the bottom. Keyhole arches are often used in buildings for their decorative and structural qualities.

钥匙孔拱是一种呈钥匙孔形状的建筑拱门。其特征为顶部狭窄、底部逐渐放宽。钥匙孔拱常因其装饰性和结构特性而被应用于建筑之中。