The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.是什么意思_The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句