万能七码如何运用简介:First, dig a deep blocking ditch under the city wall. If the Ming army secretly dug tunnels, they would dig into the blocking ditch. If there is a moat outside the city, and the moat is deep enough and has enough water, then it will be too much. A blocking ditch was created.
First, dig a deep blocking ditch under the city wall. If the Ming army secretly dug tunnels, they would dig into the blocking ditch. If there is a moat outside the city, and the moat is deep enough and has enough water, then it will be too much. A blocking ditch was created.