短語詞組短語simply y supported beam 簡單支撐梁;簡支梁elastic simply -supported beam 彈性簡支梁concrete simply -supported beam 混凝土簡支梁simply -supported beam bridges 簡支梁橋reinforced concrete simply -supported beam bridge 鋼筋混凝土簡支梁橋fabricated simply -supported beam bridge 裝配式簡支梁橋virtual simply -supported beam method 擬簡支梁法simply supported sandwich beam 簡支夾層梁simply supported plate beam 簡支板梁 返回 simply supported beam