机译:在线外卖食品服务企业的食品安全评价
School of Emergency Management, Henan Polytechnic University, Jiaozuo 454000, China;
School of Emergency Management, Henan Polytechnic University, Jiaozuo 454000, China;
School of Emergency Management, Henan Polytechnic University, Jiaozuo 454000, China;