structural fire-resistance performance 性能化结构抗火
Structural Design and Fire Resistance 结构设计和抗火性能
structural fire resistance
结构防火性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
One possible option involves a so-called "refuge floor" at higher levels with extra structural or fire resistance.
CNN: Architects don't foresee skyscraper's demise
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