用实验的方法研究了用粉煤灰制取多孔粉末材料对重金属离子的富集能力。

The collection capacity of heavy metal ions by porous powder made from fly—ash is studied.

youdao

用实验的方法研究了用粉煤灰制取多孔粉末材料对重金属离子的富集能力。

The collection capacity of heavy metal ions by porous powder made from fly—ash is studied.

youdao