This paper investigates the stability of medium-alkali glass fibers in different cement matrices such as ordinary Portland cement, high alumina cement and magnesium oxychloride cement.是什么意思_This paper investigates the stability of medium-alkali glass fibers in different cement matrices such as ordinary Portland cement, high alumina cement and magnesium oxychloride cement.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句