reinforced beam的用法和樣例：
例句
- It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way.
說明有限元分析在某種程度上可以代替試驗對鋼筋混凝土梁裂縫寬度進行研究分析。 - They would certainly be less pleasing to the eye and often more expensive than the prestressed concrete beam.
與預應力混凝土梁比較，它們自然更顯得外貌粗拙，不甚美觀，而且成本也往往更高一些。
