“Yun Terrace in Juyong Pass”的概念、定义、翻译、参考文献-科学参考

单词	Yun Terrace in Juyong Pass
释义	Yun Terrace in Juyong Pass Encyclopedia 工学元代建筑释 Yun Terrace in Juyong Pass居庸关云台一座跨大道而建的过街塔座。上面原有三座喇嘛塔，建于元顺帝至正二年至五年（1342～1345）。位于北京南口居庸关关城中心。1961年定为全国重点文物保护单位。
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