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楼梯是楼层之间的上下通道,又是人员紧急疏散时的生命线,其质量和安全都事关重大。但是,由于楼梯曲折,影响因素又多,施工比较困难,牵涉的问题也较多。
The stairs are the up and down passageways between the floors and the lifeline for the emergency evacuation of personnel. The quality and safety of the staircase are of great importance. However, due to twists and turns of the staircase, many influencing factors are involved and construction is more difficult and involves more problems.