钢筋混凝土方柱
Reinforced concrete square columns
square reinforced concrete columns
square reinforced concrete column
钢筋混凝土预制方桩
Reinforced concrete precast square piles
钢筋钢纤维混凝土
steel fiber reinforced concrete
无腹筋钢筋混凝土梁
the reinforced concrete beams without stirrups
薄壁方钢管混凝土
concrete filled square thin-walled steel tubes
不锈钢方铰
stainless steel square hinge