英语词汇percussion cap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	percussion cap
释义	percussion capn. a small amount of explosive powder contained in metal or paper and exploded by striking, used esp. in toy guns and formerly in some firearms (尤指用在玩具手枪及从前火器中的)雷管，火帽
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