It is the key to product high brightness pulp in efficiency that using suitable bleaching agents.

如何合理使用无氯漂剂，是实现高效率、高白度漂白的关键。

youdao

It is the key to product high brightness pulp in efficiency that using suitable bleaching agents.

如何合理使用无氯漂剂，是实现高效率、高白度漂白的关键。

youdao