A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride (PVC) and polysulfone (PSF) blends and the dry wet spinning technology.是什么意思_A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride (PVC) and polysulfone (PSF) blends and the dry wet spinning technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句