把好八道关 怎样利用蔬菜里的营养 Ensuring Quality: Maximizing Nutrient Absorption from Vegetables

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