前言：聚天冬氨酸具有高生物可降解性，是一种“环境友好”的新型水处理剂。

Polyaspartic acid is a new type of highly biodegradable and environmental friendly water treatment agent.

youdao

前言：聚天冬氨酸具有高生物可降解性，是一种“环境友好”的新型水处理剂。

Polyaspartic acid is a new type of highly biodegradable and environmental friendly water treatment agent.

youdao