英语词汇“natural radioactive background”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	natural radioactive background
释义	natural radioactive background 英?[?n?t??r?l ?reidi?u??ktiv ?b?kɡraund] 美?[?n?t??r?l ?redio??kt?v ?b?k?ɡra?nd] 释义 [体]天然放射性本底行业词典体育天然放射性本底???
随便看	narrow boat narrowboater narrowboaters narrowboating narrowboats narrow boats narrow-boats narrowbodied narrow-bodied narrowbodies narrow-bodies narrowbody narrow-body narrowbody aircraft narrow-body aircraft narrow-body aircrafts narrowbody aircrafts narrowboiling cut narrow boiling cut narrow-boiling cut narrow boiling range narrow-boiling range fraction narrow boiling range fraction narrowboiling range fraction narrow boiling range product

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natural radioactive background