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双燃烧室
| 液体火箭发动机
| 双燃烧室 | |
| avia. | dual chamber |
| shipb. | double combustion-chamber |
| space | dual-chamber |
| 液体 火箭发动机 | |
| gen. | liquid rocket engine |
| 液体火箭发动机 | |
| astronaut. | liquid propulsor |
| |||
| dual chamber | |||
| double combustion-chamber | |||
| dual-chamber | |||
| double combustion chamber | |||
| 双燃烧室: 12 phrases in 3 subjects |
| Automobiles | 3 |
| Shipbuilding | 1 |
| Space | 8 |
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