名词
中文翻译：大炮炮筒
同义词：
['gun barrel', 'cannon tube']
例句：
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1.The cannon was fired to clear the path for the soldiers.
大炮被发射，为士兵开辟了道路。
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2. The cannon pot is a crucial part of the military's defense system.
大炮炮筒是军事防御系统的关键部分。
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3. The cannon pot was used to launch artillery shells during the battle.
在战斗中，大炮炮筒被用来发射炮弹。