赛车规律图公式是什么简介:When Tang Ruowang chose the site next to the Forbidden City, he had no choice but to build the cannon foundry by the river to facilitate water access. However, other places where the Jinshui River passes are already full of residential buildings, and demolition would be a huge project. Only this area facing the Forbidden City has no buildings and is suitable for building a gun factory.
When Tang Ruowang chose the site next to the Forbidden City, he had no choice but to build the cannon foundry by the river to facilitate water access. However, other places where the Jinshui River passes are already full of residential buildings, and demolition would be a huge project. Only this area facing the Forbidden City has no buildings and is suitable for building a gun factory.