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简介：The news that came later confirmed most people's predictions. Duduo's army was indeed unlucky. Although they conquered Qingshankou and Zhangjiakou, they suffered a major defeat at the foot of Xuanhua City. However, due to lack of food and grass, reinforcements from Jinzhou When all the food and grass were burned by Wu Sangui, the commander-in-chief of the Ningyuan regiment, Duduo's army had to return without success.