“除氮”造句

土壤中的养分除氮外, 最初的来源都是母岩.
The nutrient in soil divides nitrogen outside, prime source is Mu Yan.

另外,还简略介绍了生物除氮磷的基础理论.
It also summarizes basic principles on biological nitrogen and phosphorous asas some new significant views.

• #除氮