常見例句The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent. 通過對其酰化原理分析,選用乙酰氯作酰化劑、二氯甲烷作?；軇?測定含環(huán)氧基聚酯的羥值。Manufacturing technology of acetifier for 25kt/a acetic silk for cigarette 25kt/a煙用醋酸絲醋化器制造技術(shù) 返回 acetifier