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古代攻城武器 - 投石器 Ballista

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發表於 2011-1-2 12:56 PM | 只看該作者 | 倒序看帖 | 打印
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http://en.wikipedia.org/wiki/Ballista
The ballista (Latin, from Greek βαλλίστρα - ballistra[1] and that from - βάλλω ballō, "throw"),[2] plural ballistae, was an ancient missile weapon which launched a large projectile at a distant target.
Developed from earlier Greek weapons, it relied upon different mechanics, using two levers with torsion springs instead of a prod, the springs consisting of several loops of twisted skeins.
投石器Ballista 是古代攻城武器, 將石塊射出一定距離
發展自早期的希臘武器,它依賴不同機器原理, 利用兩支臀加上扭曲盤旋的繩索的拉力將石塊射出




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