英语词汇gun bore evacuator怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	gun bore evacuator
释义	gun bore evacuator 简明释义炮膛抽气装置专业释义 1 军事学炮膛抽气装置
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