摘要: 本文采用美國Brimrose公司…
Luminar 4080是一種新型的AO…
一、實(shí)驗?zāi)康模?聚酯多元醇預(yù)聚體是聚氨酯…
聚氨酯纖維(Spandex,簡稱氨綸)具…
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摘要: 本文采用美國Brimrose公司…
Luminar 4080是一種新型的AO…
一、實(shí)驗?zāi)康模?聚酯多元醇預(yù)聚體是聚氨酯…
聚氨酯纖維(Spandex,簡稱氨綸)具…