 |
| |||
| natural gas reserves | |||
| reserves of natural gas | |||
| 天然气储量: 10 phrases in 4 subjects |
| Ecology | 1 |
| Economy | 1 |
| Geology | 5 |
| Oil / petroleum | 3 |
|
| |||
| natural gas reserves | |||
| reserves of natural gas | |||
| 天然气储量: 10 phrases in 4 subjects |
| Ecology | 1 |
| Economy | 1 |
| Geology | 5 |
| Oil / petroleum | 3 |