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| 燃烧的自动控制 | |||
| combustion automatic control: 9 phrases in 6 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 2 |
| Oil processing plants | 1 |
| Shipbuilding | 2 |
| Technology | 2 |
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