 |
| |||
| 油井伴生气 | |||
| |||
| 油井气 | |||
| oil well gas: 12 phrases in 7 subjects |
| Drilling | 3 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
|
| |||
| 油井伴生气 | |||
| |||
| 油井气 | |||
| oil well gas: 12 phrases in 7 subjects |
| Drilling | 3 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |