短語(yǔ)詞組短語(yǔ)fluorescent whitening agent 熒光增白劑;光學(xué)增白劑;前言熒光增白劑Fluorescent whitening agent DT 熒光增白劑DTFluorescent whitening agent WG 增白劑WGFluorescent Whitening Agent BR 熒光增白劑BRFluorescent Whitening Agent WJN 熒光增白劑WJNfluorescent brighteming agent 螢光增白劑liquor fluorescent whitening agent 液體熒光增白劑Fluorescent whitening agent BC 增白劑 返回 fluorescent agent