queen-post girder双柱托梁
queen-post truss双柱桁架
queen-post双柱架
queen-post roof[木] 双柱式屋顶;双柱桁架屋顶
reversed queen-post girder倒双柱桁架
queen post roof双柱式屋顶
queen post truss[建] 双柱桁架;双柱屋架;双柱桁架;双桩屋架
queen post detail双柱
quay queen post双柱架
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