正在播放：大小单双玩法概率学
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大小单双玩法概率学

  • 大小单双玩法概率学

  • 主演： 张笑君  陈嘉上  雅斯明·格拉特  孙芮 
  • 状态：高清
  • 导演：保罗·哈吉斯
  • 类型：纪录片

  • 简介：Sulfur is the key to making gunpowder, but the Ming Dynasty produced very little of it every year, and 80% of it was imported from Ryukyu and Japan. The new army in the Beijing camp mainly relies on firearms, and sulfur is absolutely indispensable. Once a war starts, the cost will be huge, so plans must be made early to import more and better sulfur.

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