Uemura T,Kurihara M.High performance semipermeable composite membrane and process for producing the same[P].U S Pat:4559139.1985-12-17.是什么意思_Uemura T,Kurihara M.High performance semipermeable composite membrane and process for producing the same[P].U S Pat:4559139.1985-12-17.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句