With adding fly ash, the TDC of cement paste or mortar is decreased obviously.When the amount of fly ash exceeds 30%, the TDC of cement mortar has a little change.是什么意思_With adding fly ash, the TDC of cement paste or mortar is decreased obviously.When the amount of fly ash exceeds 30%, the TDC of cement mortar has a little change.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句