Another industrial chemical, melamine, was found in wheat flour used to make pet food in North America.
Another industrial chemical, melamine, was found in wheat flour used to make pet food in North America.
在北美洲用来制作宠物食品的小麦面粉中发现了另一种工业化学品，三聚氰胺。
Another industrial chemical, melamine, was found in wheat flour used to make pet food in North America.
在北美洲用来制作宠物食品的小麦面粉中发现了另一种工业化学品，三聚氰胺。