It is used in the manufacturing of the fluorescent brightening agent, the direct dyes, the reactive dyes and the moth repellant, etc.是什么意思_It is used in the manufacturing of the fluorescent brightening agent, the direct dyes, the reactive dyes and the moth repellant, etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句