estron乙酸: acetic acid; acet-纤维素: cellulose纤维: fibre; staple; filamentary乙酸纤维素: acetate cellulose; acetyl cellulose; ca cellulose acetate; cellulose acetate醋酸纤维素纤维: cellulose acetate fiber; cellulose acetate fibre下载手机词典可随时随地查词查翻译