The binder of GSF is a new binder made by mixing the industrial waste residue of gypsum gangue, blast furnace and fly ash with a little activator.是什么意思_The binder of GSF is a new binder made by mixing the industrial waste residue of gypsum gangue, blast furnace and fly ash with a little activator.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句