短语词组短語Nafion 隔膜 nafion nrNafion H 納菲昂Hnafion membrane 過渡Nafion polymer Nafion 聚郃物Nafion solution Nafion 溶液Nafion film Nafion 膜Nafion latex Nafion 乳液Nafion ionomer Nafion 聚離子 返回 Nafion