coal ash brick的用法和样例：
- It is the ideal equipment for production of various hollow brick, shale, coal gangue and coal ash.
- A Study on Modifieation of the Surface of Coal Ash.
- It was indicated that using carbide slag and coal ash to produce cement and brick was the best way for the utilization of industrial waste slags.
- As far as I know, we utilize the ash slag in mant sectors, such as cement production, soil amelioration, road construction, fly ash brick, ect.
- Coal in ash, low sulfur, high calorific value, high-melt-depleted coal ash.