Siege engine as one kind of the unique military equipment of Classical Europe epitomizes the great scientific and technical achievements of that era.
机械武器是古典欧洲最具特色的军事装备之一，亦是古典欧洲科学技术成就的集中体现。
Siege engine as one kind of the unique military equipment of Classical Europe epitomizes the great scientific and technical achievements of that era.
机械武器是古典欧洲最具特色的军事装备之一，亦是古典欧洲科学技术成就的集中体现。
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