Whenever milk from a vessel is poured into a container, the milk in the vessel must be completely poured into that container only.
一个罐子中的牛奶只能灌到一个容器里，不能一个罐子倒到两个容器。
2
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.