Fly coal ash

• 粉煤灰

Fly coal ash的用法和样例：

例句

1. Ash is invited as a guest on a Goldenrod City radio program.
   粉煤灰是应邀作为嘉宾的一枝黄花市的广播节目。
2. Fly ash was a sort of industrial solid castoff which could be utilized again.
   粉煤灰是一种可再资源化的工业固体废弃物。