桁架用木棒或金属棒做成的坚硬的构架，用于支撑屋顶等结构

桁架用木棒或金属棒做成的坚硬的构架，用于支撑屋顶等结构的英文翻译

基本释义

• A rigid framework, as of wooden beams or metal bars, designed to support a structure, such as a roof.