The structure of the certified reference material(CRM) of butadiene nitrile rubber (BNR) was characterized by 1H _ NMR.是什么意思_The structure of the certified reference material(CRM) of butadiene nitrile rubber (BNR) was characterized by 1H _ NMR.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句