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来自维基百科,自由的百科全书
洞子又称洞屋,是一种战争工具。
洞子形状如小屋,下有四轮,小屋外面蒙上铁皮,可用于保护士兵安全。《资治通鉴·后梁太祖开平三年》:“ 淮南兵围苏州,推洞屋攻城。”胡三省注:“洞屋,以木撑柱为之,冒以牛皮,其状如洞。”《宋史·李汉琼传》:“攻城者以牛革冒木上,士卒蒙之而进,谓之洞子。”
洞子多与云梯、对楼、鹅车联用于攻城与防守,赵彦卫《云麓漫钞》卷七:“攻击不息,用云梯、三梢五梢大炮百余座,天桥、对楼、鹅车、洞子,四面填壕,志在必得。”
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