vat brown dye还原棕BR染料
vat sulfur dye翻译
leuco vat ester dye隐色酯化还原染料;可溶性瓮染料
vat-dye printing瓮染料印花法
a vat of dye染缸
vat t dye还原染料
leuco o vat ester dye隐色酯化还原染料
sulfurized vat dye硫化瓮染料
liquid vat dye液状还原染料
N（名词） a dye, such as indigo, that is applied by first reducing it to its leuco base, which is soluble in alkali, and then regenerating the insoluble dye by oxidation in the fibres of the material 还原染料