目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。

Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.

youdao

目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。

Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.

youdao