 |
| |||
| rocket-engine assembly; rocket-motor assembly; all-rocket propulsion; rocket propulsion system | |||
| ракетная ДУ: 37 短语, 2 学科 |
| 纳米技术 | 2 |
| 航天 | 35 |
|
| |||
| rocket-engine assembly; rocket-motor assembly; all-rocket propulsion; rocket propulsion system | |||
| ракетная ДУ: 37 短语, 2 学科 |
| 纳米技术 | 2 |
| 航天 | 35 |