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hong se po ji pao
Author(s): 
Pages: 25
Year: Issue:  11
Journal: Ordnance Knowledge

Abstract: <正>人们需要从远处进行攻击。早在1342年,当西班牙军队围攻阿拉伯人盘踞的阿里赫基拉斯城时,智慧的阿拉伯人在城垛上支起了一根根短铁筒,高高
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