单双数有什么规律简介：Erchen believes that the shortcomings of Zhangjiakou are not in the mutual trade, but in the method of mutual trade. As long as the method is changed, Zhangjiakou's border trade can be reopened at any time. Zhu Cihong said.
Erchen believes that the shortcomings of Zhangjiakou are not in the mutual trade, but in the method of mutual trade. As long as the method is changed, Zhangjiakou's border trade can be reopened at any time. Zhu Cihong said.
