It was pointed out that using the regenerated biological energy to produce chemical fiber raw material EG,the lack of PET raw material EG can be solved,the green chemic...是什么意思_It was pointed out that using the regenerated biological energy to produce chemical fiber raw material EG,the lack of PET raw material EG can be solved,the green chemic...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句