主结构构件的耐火限度
fire-resisting limit of main structural member
非结构构件
nonstructural components
non-structural components
non-structure component
钢结构构件拓扑优化
steel structure topology optimization
混凝土结构构件
concrete structural components
既有混凝土结构构件
existeing reinforced concrete structural members
既有建筑结构构件
existing building structural member