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长城的八达岭部分(位于北京西北75公里)建于明代，砖石结构。
The section at Badaling, 75kilometers northwest of Beijing, dates from the Ming Dynasty.
youdao
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长城的八达岭部分(位于北京西北75公里)建于明代，砖石结构。
The section at Badaling, 75kilometers northwest of Beijing, dates from the Ming Dynasty.
youdao