coal powder dust是什么意思 coal powder dust怎么读
coal powder dust的用法和样例
- 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。 - 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。
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