Especially questions about the separation of spinning preparation agents, dilution of the concentration of sizing liquor, reduction of sizing agent demand, interactions with interlacing as well a...

• 指出特别必须解决的问题是:纺丝油剂洗离、浆液浓度稀释、降低上浆剂需要量和它们之间的关系,以及污水的治理。