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| 混合炸药 | |||
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mixture explosive : 21 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 7 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
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