名词
中文翻译：主梁
同义词：
['main beam', 'main girder', 'main frame']
例句：
-
1.The construction of the bridge required the installation of a principal rafter.
建造这座桥需要安装一根主梁。
-
2. The new design incorporates a principal rafter to enhance stability.
新设计中加入了一根主梁来增强稳定性。
-
3. The structural integrity of the building is maintained by the proper placement of its principal rafter.
建筑物的结构完整性通过正确放置其主梁来维持。