preflex composite beam的用法和樣例：
例句
- Nonlinear analysis method on the mechanical behavior of preflex composite beams was established with the nonlinear stress-strain curves of materials.
摘要采用材料非線(xiàn)性本構關(guān)系研究預彎組合梁的受力行為，建立預彎組合梁從預彎鋼梁加荷到結構破壞的非線(xiàn)性全過(guò)程分析方法。 - More than ten preflex composite beam bridges were designed and analyzed with this method, and excellent results were obtained.
利用該方法已完成了十余座預彎組合梁橋的設計分析，取得了良好的計算結果。
