constructional element的用法和樣例：
例句
- The spatial computation model of a cable bridge was established by the finite element program MIDAS.
索道橋是以鋼絲繩為主要受力構件的一種柔性懸索體系橋樑。 - The fire proof performance of constructional elements and construction materials must conform to the state standards or industrial standards.
建築構件和建築材料的防火性能必須符合國家標準或者行業標準。
