modified fiyash

• 粉煤灰

modified fiyash的用法和样例：

例句

1. The modified fly ash can be used as pozzuolanice addition, the activity is obviously improved after the fly ash is modified.
   高碳湿排粉煤灰经过改性，可以作为优质活性火山灰质混合材使用，改性后活性明显提高。