英语词汇“lead-lined frame”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	lead-lined frame
释义	lead-lined frame lead-lined frame, radiation-retarding frame A doorframe internally lined with sheet lead to prevent the penetration of x-ray radiation; always used with lead-lined doors.
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lead-lined frame