名词中文翻译
中文翻译：上部主梁
同义词：
['upper mainbeam', 'upper main member例句：1. The engineerdesigned the bridge to have an upper principalpurlin that can withstand heavy loads.（工程师设计了一座桥，其上部主梁能够承受重载。）2. During construction', 'theupper principal purlin was carefully installedto ensure stability.（在施工过程中，上部主梁被小心安装以确保稳定性。）']
例句：
-
1. The engineerdesigned the bridge to have an upper principalpurlin that can withstand heavy loads.
工程师设计了一座桥，其上部主梁能够承受重载。
-
2. During construction, theupper principal purlin was carefully installedto ensure stability.
在施工过程中，上部主梁被小心安装以确保稳定性。
-
3. The upperprincipal purlin is crucial for the structuralintegrity of the building.
上部主梁对于建筑的结构完整性至关重要。