如何预测胎儿大小

简介：According to Huang Taiji's instructions before leaving, Hauge only has three days to attack Hejian Mansion. He can do his best in three days. If he fails, Hauge will immediately turn around and return, plunder Qing County, Cangzhou, Tianjin and other places, and disrupt the south of Beijing. , in order to replenish the army's food, grass and baggage, and at the same time cut off the Ming Dynasty's channel through the canal and go north to support the capital.