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combination gas | |||
casing head gas | |||
bradenhead gas | |||
oil-well gas | |||
casing-head gas |
油井 气 : 45 phrases in 12 subjects |
Drilling | 6 |
Economy | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 4 |
General | 1 |
Geophysics | 1 |
Mechanics | 1 |
Metallurgy | 1 |
Mining | 5 |
Oil / petroleum | 20 |
Project management | 1 |
Technology | 3 |