英语词汇barrel end opening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	barrel end opening
释义	barrel end opening 简明释义桶端开口双语例句 1 The barrel has a front end terminating in an edge surrounding the opening, the edge having an outer circumference substantially equal to the barrel outer circumference. 筒具有前端，该前端的端部是围绕开口的边缘，该边缘的外周边基本上等于筒的外周边。
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