英语词汇rat-tail file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	rat-tail file
释义	Definition of rat-tail file in English: rat-tail file noun A fine round tapering file used for enlarging holes in metal, etc. Origin Mid 18th century; earliest use found in Maryland Historical Magazine. Definition of rat-tail file in US English: rat-tail file noun A fine round tapering file used for enlarging holes in metal, etc. Origin Mid 18th century; earliest use found in Maryland Historical Magazine.
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Definition of rat-tail file in English: