fretwork
n. 回纹饰,线条与空间图案,回纹饰工序; 透雕细工
Fretwork is wood or metal that has been decorated by cutting bits of it out to make a pattern.
1. framework consisting of an ornamental design made of strips of wood or metal
The architect would often just write something like "beautiful fretwork" on the drawing.
建筑师通常只会在图上写著“美丽的浮凸雕工”之类的说明。