常见例句Keywords Modified polylactic acid;Maleic anhydride modified polylactic acid;Butanediamine modified polylactic acid;Poly （D;L）-Lactic acid;Hydrophilicity/hydrophobicity; 改性聚乳酸;马来酸酐改性聚乳酸;二胺改性聚乳酸;聚（D;L）乳酸;亲/疏水性; 返回 butanediamine