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| cryogenic engine (指用液氢等燃料的发动机) | |||
| cryogenic engine (用液氢等燃料的火箭发动机) | |||
| cryogenic engine | |||
| 低温 发动机: 10 phrases in 6 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 2 |
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