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| 燃料燃烧时间 | |||
| 导弹等起动时间; 火箭发动机工作时间 | |||
| 燃烧时间; 燃烧【煅烧】时间 | |||
| 固体火箭发动机工作时间 | |||
| burning time: 24 phrases in 8 subjects |
| Chemistry | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Plastics | 1 |
| Space | 9 |
| Technology | 4 |
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