多层混凝土大厦
multi-storey concrete block
钢筋混凝土大管桩
large－ diameter reinforced concrete pipe pile
混凝土大直径管桩
large－ diameter concrete cylinder pile
碾压混凝土大坝建基面
bedrock surface of BCC dam
预应力混凝土大管桩
Large-diameter Prestressed Concrete Pipe Pile
预应力混凝土大直径管桩
Large-diameter Prestressed Concrete Pipe Pile
防护辐射混凝土块
radiation shielding concrete block
钢筋混凝土块结构
reinforced concrete block construction
混凝土块结构
concrete block construction