ridge beam
短语发音
/ˈɹɪdʒ ˌbiːm/
词形变化
ridge beams
复数
ridge beams
释义与例句
n.
-
1.
The top longitudinal beam of a ridged roof where the top ends of the rafters meet.
商务 建筑 工程
词源
From ridge + beam.
来源:wiktionary