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| noise generation | |||
| noise development | |||
| 噪声产生: 16 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Business | 1 |
| China | 1 |
| Construction | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Nursing | 1 |
| Technology | 2 |
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