基本解释丁二胺同根派生 butanediamine相关词英汉例句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;butanediamine更多例句