带混凝土筒大开间砖混结构灵活住宅体系的特点是，每个单元有一个钢筋混凝土楼梯筒，分户横墙与外纵墙均采用组合砖墙砌体。
The unique feature of the large bay flexible residential building is that : every unit itself consists of a reinforced concrete tube-stairway core body-with its repective composite wall with openings .
分户墙