而罐装奶粉密封较好气体不容易外漏，有效的遏制各种细菌的生长。

Canned milk and a better seal gas leak is not easy and effective to contain a variety of bacterial growth.

youdao

建立了一种利用密封微波消化溶样技术结合导数火焰原子吸收光谱法测定奶粉中锌和铁的方法。

A new method based on the techniques of closed vessel microwave digestion and derivative flame atomic absorption spectrometry is presented for the determination of iron and zinc in milk powder.

youdao