短語詞組短語one -way slab floor design 整澆樓蓋two -span one-way slab 兩跨單向板RC simple supported one -way slab RC單向簡支板simply supported one -way slab 簡支單向板in -situ one-way floor slab 現(xiàn)澆單向板 返回 one-way slab