极速赛车官网计划

  • 极速赛车官网计划

  • 主演： 德莱尼·罗斯·斯坦  罗伯特·拉萨多  马特·特拉梅 
  • 状态：HD
  • 导演：史蒂文·萨瓦里克
  • 类型：剧情片

  • 极速赛车官网计划简介：Japan is not rich in iron resources, but because there is no coal, all the iron they have is made from charcoal. It has excellent iron properties and is perfect for making muskets. The reason why Ming swords are inferior to Japanese samurai swords is not because of technical problems. In the final analysis, it is because of iron quality.

极速赛车官网计划电影剧情介绍

Japan is not rich in iron resources, but because there is no coal, all the iron they have is made from charcoal. It has excellent iron properties and is perfect for making muskets. The reason why Ming swords are inferior to Japanese samurai swords is not because of technical problems. In the final analysis, it is because of iron quality.

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