短语词组短语cellulose acetate nitrate 乙酸硝酸纤维素;醋酸硝酸纤维素cellulose acetate nitrate detail 醋酸硝酸纤维素cellulose nitrate -cellulose acetate 硝酸纤维素cellulose acetate -nitrate 乙酸;翻译 返回 cellulose nitrate acetate