The major factors to influence the radon risk perception included education degree and type of employment, perc eption was lower in those miners with low education or temporally employed.是什么意思_The major factors to influence the radon risk perception included education degree and type of employment, perc eption was lower in those miners with low education or temporally employed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句