Emergency Drilling System
Metro emergency drilling and decision-making support
Subsalt Drilling Drilling fluid
be in an emergency; report an emergency; ask for emergency help
decide different diamond drilling bits Drilling pressure
drilling fluid drilling
Drilling Technology Research Institute of PetroChina Daqing Drilling Engineering Company
horizontal directional drilling horizontal directional drilling technology
oil based drilling horizontal drilling fluid
subsea mudlift drilling of deepwater drilling flui
120 Emergency Alarm System
120 Prehospital Emergency System
Abdominal surgical emergency
Ability of emergency management
Ability of emergency response
acceptable emergency dose
可接受的应急剂量
可容许剂量
事故容许剂量
可接受紧急事故剂量