为了辨好机关、工厂食堂,以改善食物养营,预防胃肠道传染病和寄生虫病,山东省科学技术普及协会于四月到六月间,在济南市为省市直属机关以及公私营工厂、建筑工地的伙盒管理人员、炊事员积极分子,举办了饮食卫生讲座。参加听讲的共计 In order to distinguish between organs and factory canteens, in order to improve the food camping, prevention of gastrointestinal infectious diseases and parasitic diseases, Shandong Province Science and Technology Popularization Association in April to June, in Jinan City as the provincial organs and public institutions Factory, construction site partner box managers, cooks activists, organized a diet health seminar. Participate in listening to the total