以油脂生产中的脱色废白土为原料，制备再生白土。

With the raw material of spent bleaching clay of oil refining, the regenerated technology was studied.

youdao

以油脂生产中的脱色废白土为原料，制备再生白土。

With the raw material of spent bleaching clay of oil refining, the regenerated technology was studied.

youdao