横梁,顶梁水平的或横向的梁,尤指架在两个支柱上的建筑构件 A horizontal or transverse beam, especially a structural member resting on two supports.
装配规格构件的装配,如安装于机器上的 A fitting together of parts, as those in a machine.
横木木结构建筑物中覆盖外墙壁骨的水平构件,屋横椽被支撑在它的上面 In wood-frame construction, a horizontal member, capping the exterior wall studs, upon which the roof rafters rest.
悬臂,支架伸在支点之外的一个构件,如一段横梁,由与其持平衡的或向下的在支点后面的一个力支撑 A member, such as a beam, that projects beyond a fulcrum and is supported by a balancing member or a downward force behind the fulcrum.