不倒翁的原理图解

简介：Hearing the cheers of the crowd, Tie Zhuihun was also very satisfied, but he could not delay at this time. The city lord of Yinxie City, Xu Qingzhou, was still waiting for him to solve the problem. After handing over the elders in gray clothes and others to the custody of Tie Zhong and others, Tie Zhuihun took Qin Fen back to Yinxie City.