英语词汇bell center punch是什么意思，bell center punch的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	bell center punch
释义	bell center punch　钟形中心冲头, 自动定心冲头
随便看	playgrounds playgrounds playgroup playgroup playgroup playgroup playgroups playhouse playhouse playhouse playhouse playhouses playing playing playing playing playing a waiting game playing area playing card playing card playing card playing condition playing condition playing course playing court

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