| |||
易爆炸气体 | |||
爆炸性气体; 易爆气体 | |||
爆炸气体 | |||
易爆气 | |||
易爆气 (体); 爆炸性气体 |
explosive gas : 27 phrases in 8 subjects |
Aviation | 3 |
Electric machinery | 2 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 7 |
Metallurgy | 5 |
Oil processing plants | 1 |
Rail transport | 1 |
Technology | 6 |