concrete e core unit 混凝土空心板
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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.
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。
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