So, it is mandatory to process steel structure fire-protection.
所以，必须对钢结构做防火处理。
Detroit firefighter USES an axe to cut a hole in the roof at the scene of a working daytime residential structure fire in the top floor of an apartment building.
白天，公寓大楼顶层的住宅建筑火灾现场，一位底特律消防队员用斧头在屋顶上砍了一个洞。
A sandwich structure fire-retardant particleboard, which aimed for the core material of fireproofing doors, was prepared in laboratory using heat-expanded vermiculite as a fire-retardant material.
本研究采用膨胀蛭石作为阻燃剂，在实验室试制出了用作防火门芯层材料的三明治结构阻燃刨花板。
The fire combustion analysis is a basic one for global structure fire resistance research.
火灾燃烧研究是结构抗火的前提。
The design difficulties of skyscraper mainly lie in building structure, fire safety and vertical transport.
摩天楼的设计难点主要在于建筑结构、消防安全与垂直交通体系。
The design difficulties of skyscraper mainly lie in building structure, fire safety and vertical transport.
摩天楼的设计难点主要在于建筑结构、消防安全与垂直交通体系。
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