A new deactivator with lower pour point was obtained by the reaction of coconut amine and ethylene oxide in the presence of 5% catalyst.是什么意思_A new deactivator with lower pour point was obtained by the reaction of coconut amine and ethylene oxide in the presence of 5% catalyst.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句