稳定倍投方案简介：Hearing the sound of cannons, the Mongolian soldiers behind Snowball were nervous. They rolled the snowballs, but they didn't know whether the snowballs could really block the Ming army's cannons?
Hearing the sound of cannons, the Mongolian soldiers behind Snowball were nervous. They rolled the snowballs, but they didn't know whether the snowballs could really block the Ming army's cannons?
