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Anti-frigate gunboats . The middle ground between a frigate and a cruiser.
反 护卫舰炮舰. 它是在护卫舰和巡洋舰之间.
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Fox said a few warships could be sent to prevent southern gunboats from interfering.
福克斯说,可以派遣少数军舰前往,以阻止南方炮艇的干扰.
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