三中三组数计算公式

简介：For example, how to retreat when encountering an unbreakable fortified city or being besieged by captives? The most important thing is, how to ensure the safety of ships on the seaside so that the retreat to the sea will not be cut off by the captives. How can the navy continue to provide support when the army lands ashore? ? When retreating, how to retreat? The Military Intelligence Department has formulated detailed plans and contingency measures.