pre-emergency planning 事故前预案
pre-emergency governor 极限调节器 ; 极限调速器 ; 备急调速器
Pre-emergency herbicide 萌前型除草剂
Pre-emergency Planning and Recovery 应急计划和恢复
Pre-hospital emergency care 院前急救
Pre-hospital emergency medical treatment system 院前医疗急救体系
pre-hospital emergency treatment 院前急救
emergency pre-scheme 应急预案
应用推荐