Derrick-type reinforced concrete beam often appears in the framework of house walls and building walls that don't support the weight of walls, boards and so on.

王艳丽，张云龙，费以原钢筋混凝土井式梁在屋面和非承墙、 板荷载的楼面结构多有出现。

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This article discusses the type of main construction and material selection of key parts on overseat, single-track beam support of traffic track.

对跨座式单轨交通轨道梁支座的主要构造形式、关键零部件的材料选用等进行了分析研究。

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The support member may be a cantilever type beam or frame extending upwardly from the seatback at a position behind and adjacent to a headrest.

该支撑件可以为从座椅靠背向上延伸并位于邻近头枕并 在头枕后方的悬臂型梁或框架。

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