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建筑物的加层设计是一项复杂细致的工作 ,只有经过周密细致的调查分析 ,对使用年限不太长且加层过程中不需繁杂加固的房屋 ,加层是经济可行的。
The design of the building’s storey is a complex and meticulous work. Only after thorough and careful investigation and analysis, it is economically feasible to add layers to houses that are not used for a long period of time and do not require complicated reinforcement in the addition process.