12选2有多少种组合

简介：There are three Hongyi cannons at the top of Tashan City, but the original positions cannot support the high ground. Yesterday morning, the 500 Ming army worked hard to move all three Hongyi cannons and gave them to Jian Jian. A heavy blow. Fortunately, it was a thousand-jin red cannon. If it were a two-thousand-jin red barbarian cannon, it would probably take two to three days.