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solid rocket motor; solid propellant rocket engine; solid rocket; solid-rocket motor | |||
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solid propellant rocket engine; solid propellant rocket motor; solid propellant motor | |||
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Solid Rocket Motor | |||
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solid propellant engine |
固体火箭发动机 : 50 phrases in 5 subjects |
Aviation | 9 |
Earth sciences | 1 |
Space | 34 |
Transport | 2 |
United States | 4 |