英语词汇“plug tap”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	plug tap
释义	plug tap Engineering noun A tap with a flat end and an untapered shank, used for finishing the cutting of an internal thread in a blind hole (also called bottoming tap); (also, chiefly US ) a tap with a fairly steep taper for starting a thread. Origin Early 19th century; earliest use found in James Smith (1775–1839), writer and humorist.
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plug tap