涤纶 中国俗称“的确良” 是一种用途很广的合成纤维 可以单独纺纱 也可与棉花等各类纤维混纺成纱《大国基石》EP13【CCTV纪录】

Open in Podwise to generate AI notes

Sign in to process this episode and unlock summaries, transcripts, highlights and translations.