Building steel structure is a branch of building industry.
建筑钢结构是建筑行业的一个分支。
The standard specifies fireproofing protection domain, material, structure and quality requirement of structure (building) steel structure in petrochemical industry enterprises.
本规范规定了石油化工企业生产区建构筑物钢结构的防火保护范围、材料、构造及质量要求。
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