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| detonating gas; explosive gas | |||
| explosion gas | |||
| firedamp | |||
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| explosive gas | |||
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爆炸 气 体 : 45 phrases in 12 subjects |
| Architecture | 1 |
| Aviation | 3 |
| Drilling | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 15 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Rail transport | 1 |
| Space | 2 |
| Steel production | 1 |
| Technology | 10 |
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