实验表明，复合无铝膨松剂完全可以取代传统的膨松剂明矾。

The results indicated that the bulking agent without aluminum can replace the traditional alum.

youdao

实验表明，复合无铝膨松剂完全可以取代传统的膨松剂明矾。

The results indicated that the bulking agent without aluminum can replace the traditional alum.

youdao