三组七码必中一组怎么缩到四码

简介：Compared with the past, the current territory is larger and there are more places to take care of. Although the Ming Dynasty's national power is gradually prospering and its military power is known all over the world, the Mongols outside the Hetao or in Qinghai are very honest and do not dare to harass the Ming Dynasty's borders. To seek trade, but rectifying military affairs, solidifying immigration and preventing problems in the bud are still heavy tasks.