中性浴染色
According to conventional technology of neutral-bath dyeing, direct dyes with bright colour and good colour fastness and dischargeable by reductants can not be used in the dyeing of silk fibre.
常规的中性浴染色工艺认为:某些色泽比较鲜艳、色牢度较好并可被还原剂破坏的直接染料不能上染真丝纤维。
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