上海静安区饮食服务行业从业人员卫生法规及卫生知识调查

上海静安区饮食服务行业从业人员卫生法规及卫生知识调查的英文翻译

基本释义

• Knowledge Rates of Laws and Regulations on Food Hygiene among Employees of Catering Trade in Jing'an District, Shanghai