郑州，翟振綱 作
河北人民出版社印刷厂制版印刷
铁路十局卫生宣传协作区 制作
Zhengzhou, Zha Zhengang,
Printed by the Printing Plant of Hebei People’s Publishing House
Created by the Health Promotion Collaborative Zone of Railway Bureau No. 10
把好八道关 怎样利用蔬菜里的营养 Ensuring Quality: Maximizing Nutrient Absorption from Vegetables
