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Designed with a jointless structure to maximize durability and enable highly efficient operation .

无缝结构设计保证最大的耐久性和高性能。

4 Slightly press the flange of the square panel without a crater to obtain jointless effect .

4不带坑方向折边，稍加轻压，便可达到紧凑无缝的效果。

Urban elevated railway ; light rail transit ; jointless line ; lzying technology .

城市高架;轻轨交通;无缝线路;铺设技术。