Under low background values, the residual rates of volatile phenol and benzo (a) pyrene in A. chinensis are 13.54% and 6.87%, respectively.是什么意思_Under low background values, the residual rates of volatile phenol and benzo (a) pyrene in A. chinensis are 13.54% and 6.87%, respectively.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句