常见例句Keywords chintin;chintosan;phase transfer catalysis agent;sepia; 甲壳素;壳聚糖;相转移催化剂;乌贼;Keywords Chintin;Chitosan;Degree of Deacetylation（D.D.）; 甲壳素;壳聚糖;脱乙酰度; 返回 Chintin