石炭灰
Meanings
1
coal ash; fly ash
Refers to the residual ash produced from burning coal, including fine particulate fly ash.
Coal ash is sometimes reused as a material for concrete.
The disposal of coal ash from power plants has become an issue.
coal ash; fly ash
Refers to the residual ash produced from burning coal, including fine particulate fly ash.
Coal ash is sometimes reused as a material for concrete.
The disposal of coal ash from power plants has become an issue.