短语词组短語water -soluble low molecular chitosan 低聚水溶性殼聚糖the water -soluble chitosan 水溶性低聚殼聚糖Low -molecular water-soluble chitosan 低聚水溶性殼聚糖Preparation of water -soluble chitosan 完全水溶性殼聚糖的制備工藝 返回 water-soluble chitosan