什么叫推波倍投方案

简介：The year before last, the crown prince of the Zhu family could only successfully force the Jianlu to withdraw their troops. One of the key factors was to strengthen the walls and clear the country, making it difficult for the Jianlu to obtain food and grass supplies. One of the most obvious features of Jianbiqingye is to abandon all small cities that are difficult to hold on and stick to key cities.