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| рудничный воздух | |||
| гремучий газ | |||
| взрывчатый воздух; взрывчатый газ; гремучий воздух; метан | |||
| 爆炸气: 66 phrases in 13 subjects |
| Aviation | 1 |
| Diplomacy | 2 |
| Firefighting and fire-control systems | 2 |
| General | 19 |
| Geology | 4 |
| Mathematics | 1 |
| Military | 5 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil processing plants | 4 |
| Oilfields | 1 |
| Scuba diving | 1 |
| Technology | 24 |
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