大小单双的规律怎么看

简介：Jianlu built a pool in the city. Although it blocked our army's tunnel, it also caused the foundation of the city wall to be soaked in water for a long time. Over time, the city wall would collapse on its own without bombing. But no one can judge the time. Maybe five Days, maybe ten days, but unfortunately, our army cannot wait that long. Fang Guangchen smiled bitterly.