polyester-based polyurethane

• 聚酯型聚氨酯

polyester-based polyurethane的用法和样例：

例句

1. The effects of different chain extenders and different contents on polyurethane emulsions from polyether and polyester have been studied.
   研究了不同扩链剂及其用量对聚醚型和聚酯型聚氨酯乳液的影响。