短語詞組短語reinforced concrete hollow slab 鋼筋混凝土空心板concrete floor slab 混凝土樓板;混凝土現(xiàn)澆樓板concrete voided slab 砼空心板cement concrete pavement slab 水泥砼路面板Improved concrete floor slab 改進型樓板concrete beam slab 混凝土梁板lightweight concrete partition slab 輕型隔墻板concrete large slab 混凝土大板concrete face slab fissure 混凝土面板裂縫 返回 concrete slab