The application of an amphoteric electrolyte in cotton fabrics with direct dyes is innovatively researched, and the synthesizing method of an amphoteric colour fixing agent is recommended.是什么意思_The application of an amphoteric electrolyte in cotton fabrics with direct dyes is innovatively researched, and the synthesizing method of an amphoteric colour fixing agent is recommended.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句