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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- jet propulsion (3)
- aerothermodynamics (1)
- aircraft gas-turbines (1)
- airplanes (1)
- axial flow (1)
- fluid dynamics (1)
- jet propulsion laboratory (u.s.) (1)
- jets (1)
- mars (planet) (1)
- space flight to mars (1)
- technology & engineering / aeronautics & astronautics (1)
- turbojet engines (1)
- 喷气推进 (1)
- 喷水推进器 (1)
- 工程设计 (1)
- 推进系统 (1)
- 教材 (1)
- 研究 (1)
- 航天器 (1)
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