were under repairs
正在维修中
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Under Qing rule, China's borders extended beyond the walls and Mongolia was annexed into the empire, so construction and repairs on the Great wall were discontinued.
在清朝统治下，中国的边界一直延伸到长城之外和蒙古，所以建造和维修长城的工事被停止。
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