住宅就象人类的服装一样丰富多彩。它可以按照层数、体形、乃至结构型式、施工方法,分成各种类型。目前,我国城镇大量建设的是多层住宅,其类型也是多种多样的。多层住宅,一般是指三至六层的住宅,不用电梯,而是靠楼梯联系各层。往往一座楼梯及其服务的住户组成一个单元,凡从楼梯间的 Homes are as colorful as human clothes. It can be divided into various types according to the number of layers, body shape, and even the structure type, construction method. At present, a large number of multi-storey houses are built in cities and towns in China, and their types are also varied. Multi-storey houses generally refer to three to six-story homes. Instead of elevators, they are connected by stairs. Often a staircase and its occupants form a unit, where from the stairwell