It is suggested that both the pozzolanic reaction of fly ash and the hydration of cement clinker must be promoted at the same time to improve the property of fly ash cement.是什么意思_It is suggested that both the pozzolanic reaction of fly ash and the hydration of cement clinker must be promoted at the same time to improve the property of fly ash cement.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句