Research shows that the inducement period of the FCC gasoline lengthened decreases as the diene number increasing, while the actual gum increases with the increment of diene number.是什么意思_Research shows that the inducement period of the FCC gasoline lengthened decreases as the diene number increasing, while the actual gum increases with the increment of diene number.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句