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| 能量传播 | |||
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energy propagation : 14 phrases in 8 subjects |
| Air defense | 1 |
| Construction | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 1 |
| Metallurgy | 3 |
| Polymers | 1 |
| Technology | 4 |
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