When the polycondensate of PEG has higher fraction in monomers and proper molecular weight, the product copolymer will have better sand liquid flowability and fine rheology performance.是什么意思_When the polycondensate of PEG has higher fraction in monomers and proper molecular weight, the product copolymer will have better sand liquid flowability and fine rheology performance.在线翻译_英语_读音_用法_例句