polyether polyurethane造句

the study on preparement for polyether polyurethane elastomer and aging
聚醚聚氨酯弹性体及其老化性能研究
hydrolysis resistant, thermoplastic polyether polyurethane elastomer coated nylon fabric for aerospace purposes
航空航天用抗水解的涂覆热塑性聚合物聚氨酯弹性物的尼龙纤维
It's difficult to find polyether polyurethane in a sentence. 用polyether polyurethane造句挺难的