roof framing

例句：

1. 1. The architect designed the new building witha focus on its roof framing.
   建筑师在设计这座新建筑时，特别关注其屋顶框架。
2. 2. Theroof framing ofthe old house has been replacedwith a modern design.
   老房子的屋顶框架已被现代设计所取代。
3. 3. Theengineer inspected the roof framingto ensure it was structurally sound.
   工程师检查了屋顶框架，以确保其结构稳固。