近代城市建设,是同高层建筑和宽马路、地下铁以及地下街道一起发展起来的。因此,更充分地利用空间,便成为最近高层建设中的一项课题。为了最大限度地利用土地,地上部分逐渐往高层发展,地下部分则往深处发展。近代建筑中,因为发展了照明、冷热设备、给排水等新技术,使得地下设置的商 Modern city development was developed together with high-rise buildings and wide streets, underground railways, and underground streets. Therefore, making full use of space has become a topic in the recent high-level construction. In order to maximize the use of land, the above-ground part gradually develops to the upper level, while the underground part develops to the deep. In modern buildings, because of the development of lighting, cooling and heating equipment, water supply and drainage, and other new technologies, the underground business has been established.