以碳酸钠微粒，是从纯碱纸浆厂的黑色液体中回收的。

Sodium carbonate for example, is recovered from black liquor in soda pulp mills.

youdao

以碳酸钠微粒，是从纯碱纸浆厂的黑色液体中回收的。

Sodium carbonate for example, is recovered from black liquor in soda pulp mills.

youdao