“飘沿”，即房檐，有的地方又称为“滴水”，“滴水沿”，是指房顶伸出的边沿部分。对还是使用秦砖汉瓦为主的普遍民居十说．“飘沿”是不可缺少的组成部分，其作用一是保护墙体不受南水侵蚀；二是作为房屋产权的土地使用权大地面向空中延伸的界限。因此，许多房产权和土地使 “Floating edge”, that eaves, in some places, also known as “dripping”, “dripping along” refers to the edge of the roof protruding part. Or use Qin brick Han-based ten common home. “Gone with the Wind” is an indispensable part of its role is to protect the wall from the South water erosion; second, as the right to use the land as a property of the land extension of the land facing the air boundaries. Therefore, many real estate and land use