聚酯聚合物多元醇
graft polymeric polyesterols
polyester polymer polyol
阻燃聚合物多元醇
flame retardant copolymer polyol
超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
电活性聚合物
Electrically active polymer
eclectroactive polymer
electroactive polymers
electroactive polymer
EAPs
电活性聚合物膜
electroactive polymer membrane
多元聚合物助留体系
multiple polymeric retention system