不倒翁的原理图解

简介：Your Liaodong countermeasures are very good, especially building large ships. Following the example of Emperor Gaozong of the Tang Dynasty, you harassed the slaves in the rear along the coast. I have ordered the Ministry of Industry and the Ministry of War to handle the specific shipbuilding matters. Within a year, you will build a thousand ships for me. The ship is coming. Chongzhen cheered up.