coal powder dust

• 粉煤灰

coal powder dust的用法和样例：

例句

1. This product is a new kind of kiln lining materials made with coal dust ceramisite.
   本产品是以粉煤灰陶粒为主要原料制成的一种新型窑衬材料。
2. It is shown that the improved coal ash adsorbent can obviously heighten the absorptivity of ions.
   证明粉煤灰吸附剂显著提高了对水中离子的吸附性。