... bunk bed with ladderguard rail 带床梯及护拦的双层床 rail bed 钢轨底座 RAIL TRACK BED 轨下基础 ...
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圆形的砖混地基底座是固定的上面安装了钢轨而房体就由一台小型电动马达驱动在钢轨上转动。
Its circular brick-and-cement foundation is stationary, supporting a steel track on which the house revolves, moved by a small electric motor.
建立轨—板—桥—墩一体化空间计算模型，线路纵向考虑钢轨、轨道板和底座板、桥梁等的相互作用。
The interactions of rail, slab, support layer and bridge are taken into consideration to the longitudinal direction of track.
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