 |
| |||
| 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 |
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