英语词汇“pratt dilators”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pratt dilators
释义	Pratt dilators Pratt di·la·tors (prat), cylindric metal rods of graduated sizes used to dilate the cervical canal.
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Pratt dilators