关于polyol的百科

• polyether polyol造句怎么写

• DefinitionofbestagingtimeinpolyetherpolyolproductionHighresiliencepolyurethaneslabstockfoambasedonself-producedpolyetherpolyolwasprepared.Preparationandcharacterizationofpolyurethaneelastomerbasedoncastoroil-polyetherpolyolThesynthesisofhighmolecular...
• 2018-05-1631834