求翻译：在空间使用率上，钢结构的断面小，与钢筋混凝土结构相比可增加建筑有效面积8%左右。在建筑风格上，钢结构建筑也更显灵活丰富，户内空间可多方案分割，可以满足不同用户的需求。是什么意思？

The steel structure of the cross section is small compared with the reinforced concrete structure on the space usage, increase the building about 8% of the effective area. The steel construction is also more flexible in the architectural style of the rich, the indoor space can be multi-program divis

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On the space usage, steel cross section smaller, compared to reinforced concrete structures can increase the effective area of around 8%. On the architectural style, steel structure more flexible and rich, indoor space programmes Division, can meet the needs of different users.

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