Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection.
肉眼观察表明：在端节点处的系梁和横梁上翼缘之间产生一种沿桥梁纵向的水平位移。
The extension is spliced to the trolley beam at one end, and is supported by a floor-standing posts at the other end.
在吊车横梁的一端有扩展来加固，由另一端的地轴架来支撑。
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