四个数字有多少种组合有两个重复

简介：But as soon as they fought, Gao Fugui knew that he was wrong. The Dengzhou Navy in front of him was completely different from the old Ming Dynasty Navy. Not only were the artillery fierce, but the offensive and defensive methods were also completely different, not to mention the one who served as the flagship. This big ship, even the small boats next to it, are all extremely powerful.