“jointed rail track”的概念、定义、翻译、参考文献-科学参考

单词	jointed rail track
释义	jointed rail track Encyclopedia 工学[轨道特征]释 jointed rail track有缝线路用夹板（鱼尾板）接头连接两端有螺栓孔的厂制钢轨，使两钢轨端面之间留有伸缩缝隙的铁路轨道。
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