英语词汇“retention pin”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	retention pin
释义	DictionarySeepin retention pin re·ten·tion pin (rē-tenshŭn pin) One or more metal pins projecting from a cast restoration to enhance retention by being inserted in one or more parallel holes in dentin.
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retention pin