Its structure was determined as 2,4 di tert butylphenol by the spectrum data of IR, MS, 1HNMR and 13 CNMR.是什么意思_Its structure was determined as 2,4 di tert butylphenol by the spectrum data of IR, MS, 1HNMR and 13 CNMR.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句