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| гремучий газ; рудничный газ | |||
| гремучий воздух; диссоциирующий газ | |||
| взрывчатый газ; взрывчатый воздух | |||
| 爆炸性气体: 4 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| General | 2 |
| Technology | 1 |
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