The effect of water to binder ratio (w/b) and fly ash type on fly ash-saturation was investigated under full hydration condition in mortar system.是什么意思_The effect of water to binder ratio (w/b) and fly ash type on fly ash-saturation was investigated under full hydration condition in mortar system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句