同义词： queen post
queen-post girder双柱托梁
queen-post truss双柱桁架
queen-post roof[木] 双柱式屋顶;双柱桁架屋顶
reversed queen-post girder倒双柱桁架
同义词：queen post
N（名词） one of a pair of vertical posts that connect the tie beam of a truss to the principal rafters 桁架副柱 → compare king post