girder

US /ˈɡɝː.dɚ/
UK /ˈɡɝː.dɚ/
"girder" picture
1.

大梁, 桁架

a large iron or steel beam or compound structure used for building bridges and the framework of large buildings.

:
The construction workers hoisted the massive steel girder into place.
建筑工人将巨大的钢大梁吊装到位。
The bridge's main support consists of several parallel girders.
桥梁的主要支撑由几根平行的大梁组成。